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Colors are an integral part of our daily lives, and we experience them in various forms, from natural environments to digital screens. Understanding the properties and characteristics of colors is crucial for artists, designers, photographers, and anyone who deals with visual aesthetics. Two fundamental color systems that are used in art, printing, and digital media are additive colors and subtractive colors.

What are Additive Colors?

Adaptive synthesis is based on adding or adding individual wavelengths. This method is simpler to describe by adding three light beams, red, green, and blue. It is possible to achieve a wide range of different colors with different beam intensity ratios. This is possible because the maximum sensitivity of individual lumps to the human eye mesh partially coincides with the red, green, and blue part of the visible spectrum, and depending on the level of excitement of individual lumps the observer will experience a color. For example, if only the solids sensitive to the blue part of the spectrum are excited, the brain of the observer interprets it as a blue color.

To display colors on monitors, the RGB system (is, red-green-blue) is based on the principle of additive color mixing. This is about mixing the light of different wavelengths, not the mixing of pigments that reflects some parts of the spectrum, while others absorb. These colors are the basic colors for the additive system, each pixel is defined with 3 data that represent the value of these 3 basic colors. The monitors emit light and the colors on the monitor are obtained by additive color pixel combinations.

What are Subtractive Colors?

The subtractive synthesis is based on the absorption or subtraction of certain wavelengths from white light. Selective wavelength removal is performed using a filter. With the green filter we subtract the red, purple, subtract the green, and the yellow subtract the blue part of the spectrum.

A wide degree of absorption of the individual wavelengths is possible to achieve a wide range of different colors. Of course, in this case, the color the observer feels depends on what has happened to his eye. If we use a filter that absorbs the green part of a visible spectrum of white light, the blue and red parts remain, which means that the eye of the observer will be excited by the susceptible particles on the blue and the reddish-sensitive red particles that will interpret the brain as a purple color. The pigment system is what we learned at school, at the hours of the artistic – that the blending of red and yellow gives orange, blue and red purple, and yellow and blue green, while blending these colors in even order gives black.

Pigments do not emit light, but reflect, they accurately reflect the light of some wavelength. This is a subtractive system, i.e., a system of colors that arises by subtraction, and not by the addition of color. In fact, the basic colors in this system are magenta, yellow and cyan and their combination is black, but the print uses the CMYK system (cyan-magenta-yellow-key, where the “key” is black, how CMY would not need unnecessary consumption to create a black color).

Differences: Additive and Subtractive colors

The following table highlights the major differences between Additive Colors and Subtractive Colors &minis;


Additive Colors

Subtractive Colors


Additive color mixing occurs with the simultaneous action of various color sensations – ‘irritants’ on the eye. It encounters wherever the different color values superimpose and as an optical impression interfere with each other.

Subtractive (multiplicative) color mixing, contrary to the additive, is not mixing of color ‘irritants’, but creating color by subtraction.Namely, it is based on a change of light color when passing through or reflecting the light from the layers of dye or pigment.

Basic colors

Additive color synthesis occurs when three light zones are mixed optically (red, green, and blue).

Subtractive synthesis occurs by mixing the basic material colors (cyan, magenta and yellow).

Color combinations

Additive color synthesis: green + red = yellow, blue + red = magenta, blue + green = cyan.

Subtractive mixing occurs: yellow + magenta = red, yellow + cyan = green, magenta + cyan = blue.

Systems involved

RGB is a system of additive color synthesis. The color display is obtained by the different light intensity of the primary colors: red, green and blue. This system is used for works intended for monitor display.

CMYK is a system of subtractive color synthesis. The color display is obtained by filtering out the primary light color from white complex light.

The turquoise filter (Cyan) from white deprives red, purple (Magenta) green and yellow blue. Black is used to further dim the color. This system is used for works intended for printing.


Additive colors use red, green, and blue (RGB) as their primary colors, while subtractive colors use cyan, magenta, and yellow (CMY). This difference in primary colors is due to the way each system produces color. In the additive color system, light is emitted from a source, and therefore, red, green, and blue are the primary colors that can be combined to create all other colors. In the subtractive color system, pigments reflect light in different ways, and therefore, cyan, magenta, and yellow are the primary colors that can be combined to produce a range of colors.

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How To Enable Print Background Colors And Images On Browser

How to Enable Print Background Colors and Images on Browser Tweak your printing settings to get the desired image output




Given the fact that color cartridges can be expensive and hard to come by for some users, browsers have the default printing option to be in black and white.

This is an inconvenience for users who own color cartridges and want to print their images with beautiful colors on them.

Luckily, it is very simple to enable the printing of background colors and images on browsers such as Internet Explorer, Edge, Mozilla Firefox, and Google Chrome.

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Because printer ink isn’t exactly the cheapest office material to come by, it goes without saying that you’d want to be very careful about how you actually use it.

Because of this, many programs, and even the printers themselves are set by default to save ink whenever given the chance.

For example, most of the time when you try to print a web page, you’re probably interested more in the text and other elements such as icons or images.

As such, the printing of background colors and images is disabled by default in some web browser applications.

This guide is here to help you figure out how to disable this function, depending on the browser you are using.

How can I print background colors in Internet Explorer? 1. Internet Explorer 10

Launch IE.

Navigate to the File tab.

Select Page Setup.

Check the Background Colors and Images box.

2. Internet Explorer 11

Keep in mind that IE is a pretty old browser. The only IE version currently supported by Microsoft is Internet Explorer 11.

For this reason, if you’re still using IE, we strongly recommend installing a newer browser.

This extension is a lightweight and useful add-in designed to get a print fast. On top of that, you can choose the style and the Print button design.


Multiple great features created for users’ needs to improve the browsing experience.

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How can I enable the printing of background colors in Edge? How can I enable the printing of background colors in Firefox? How to enable print background colors and images in Chrome?

1. Launch Google Chrome.

3. Select the Print… option.

4. Navigate to the Colors section from the menu that opened.

6. Select Color.

8. Check the box next to Background graphics.

The process of enabling the printing of colors on an image opened in Chrome is simple and very similar to those for Internet Explorer and Mozilla Firefox.

What you need to do is navigate to the Print menu and select the Color option, then enable printing background graphics, prior to proceeding with the printing process.

Google Chrome used to be incapable of printing background colors and images, even with the help of third-party browser extensions. However, things have changed ever since, and you can print in color on it as well nowadays.

You should also check our list of the best browsers for printing web pages fast & effortlessly because it may provide you with extra information.

Still experiencing issues?

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Apple Ipod Shuffle Gets Price Cut, New Colors

Apple iPod shuffle gets price cut, new colors

The black and silver shuffles now have new pink, blue and green models to accompany them, and VoiceOver has had a boost with a greater number of third-party headphones that support the in-line controls.  These include the new Monster headphones announced earlier this week, the control unit cable of which is being applied retroactively to all of the company’s Dr. Dre designs.

The new Apple iPod shuffle models are available now, priced at $59 for the 2GB and $79 for the 4GB.  All ship within 24hrs.  Meanwhile the polished silver version is an Apple Store exclusive, and is $99.

Press Release:

Apple’s iPod shuffle Now Starts at Just $59

World’s Smallest Music Player Now in Five Great Colors

SAN FRANCISCO, Sept. 9 /PRNewswire-FirstCall/ — Apple today announced that iPod shuffle , the world’s smallest music player and the first music player to talk to you, is now available starting at just $59 in five great colors. iPod shuffle’s intuitive controls are conveniently located on the headphone cord, letting you navigate and enjoy music without even looking. With the press of a button, you can play, pause, adjust volume and switch playlists, plus the VoiceOver feature lets iPod shuffle speak song titles, artists and playlist names. The iPod shuffle is available worldwide today in a new 2GB model for just $59 and a 4GB model for $79, and both models come in silver, black, pink, blue and green.

“iPod shuffle is the world’s smallest music player and now comes in five great colors starting at just $59,” said Philip Schiller, Apple’s senior vice president of Worldwide Product Marketing. “iPod shuffle is so small that you almost forget it’s there, yet remarkably, it holds up to 1,000 songs and talks to you.”

iPod shuffle is based on Apple’s incredibly popular shuffle feature, which randomly selects songs from your music library. iPod shuffle features a sleek and ultra-wearable design with a built-in stainless steel clip. iPod shuffle users can easily clip it to almost anything and take it everywhere.

In addition to the Apple Earphones and Apple In-Ear Headphones with Remote, third party manufacturers including Sony, V-MODA, Klipsch and Scosche are supporting built-in headphone controls and Belkin and Scosche offer built-in headphone adapters allowing users to enjoy iPod shuffle with their own headphones.

iPod is the world’s most popular family of digital music players with over 220 million sold. Apple’s new holiday lineup includes iPod shuffle in five great colors starting at just $59; iPod classic in a new 160GB model holding up to 40,000 songs for $249; the incredible new iPod nano with a video camera available in nine brilliant polished aluminum colors starting at $149; and the revolutionary iPod touch starting at the breakthrough price of just $199.

Pricing & Availability

Apple ignited the personal computer revolution in the 1970s with the Apple II and reinvented the personal computer in the 1980s with the Macintosh. Today, Apple continues to lead the industry in innovation with its award-winning computers, OS X operating system and iLife and professional applications. Apple is also spearheading the digital media revolution with its iPod portable music and video players and iTunes online store, and has entered the mobile phone market with its revolutionary iPhone.

2009 Apple Inc. All rights reserved. Apple, the Apple logo, Mac, Mac OS, Macintosh, iPod shuffle, iPod, iPod classic, iPod nano, iPod touch, Apple Store and iTunes are trademarks of Apple. Other company and product names may be trademarks of their respective owners.

Difference Between Naloxone And Naltrexone

Two of the most frequent opioid antagonists used to treat substance abuse are naloxone and naltrexone. Although it has certain long-term uses, Narcan (Naloxone) is mostly employed as a short-term opiate drug blocker. Opioid overdose antidote that works similarly to Naltrexone (ReVia and Vivitrol) but has a shorter treatment time.

Naloxone and naltrexone are both effective and potentially lifesaving treatments for opioid addiction. Talk to your doctor first, though, because many of these drugs might have dangerous interactions with others.

What is Naloxone?

This medication aids in preventing the ill effects of opioids (substances that act on opioid receptors to produce morphine-like effects). As an opioid antagonist, it can be used to reverse the effects of an overdose on opiates, such as breathing difficulties.

Opiate replacement medications like Suboxone, which includes both naloxone and buprenorphine, also make use of naloxone (sold under the brand name Subutex). This serves as a protection against the substance being abused.

What is Naltrexone?

It’s a drug prescribed for people with substance abuse disorders, particularly those who are dependent on opioids or alcohol. For those who have developed a tolerance to opioids and are trying to break that tolerance, this drug is useful because it prevents them from relapsing. The “need” for opioid is lessened as a side effect. Addiction to drugs or alcohol cannot be cured in this way.

Differences: Naloxone and Naltrexone

The following table highlights the major differences between Naloxone and Naltrexone −





It saves lives by reversing the effects in case there is some drug overdose. This has very strong affinity for Mu receptor. It is a repetitive competitive antagonist. The effect lasts about 45 minutes.

It aids in recovery and prevents drug and alcohol dependence. It binds more slowly.


Injected into a patient suffering from an opioid overdose

Works rapidly to take the effect of the drug away

It is also used for for blood pressure support in septic shock

It has been in use for over 30 years

It is injected and slowly released into the body

It works in the brain to block opiate effects (for example pain relief and feelings of well-being)


Concomitant benzodiazepine and opioid use

History of opioid dose

History of substance overuse disorder

Respiratory conditions (e.g., Sleep Apnea and COPD)

Excessive alcohol use

Mental health condition(s)

Multiple guidance’s/guidelines also suggest prescribing naloxone to individuals who were earlier on chronic opium like substances and have lost forbearance to an earlier dose and are at a risk of resuming that dose using prescriptions of illicit drugs (e.g., opioid taper underway, recent release from prison or detoxification facility)

Anyone beginning Naltrexone must be opioid (category of drugs that include the illegal substance like heroin) free. Though there is no proper information and evidence to decide which patients with Opioid Use Disorder are the best fit for this medication called naltrexone, the eligible candidates to consider include;

Highly motivated (e.g. want to live)

Desire a non-opioid option for OUD treatment

Short term opioid use (e.g. younger patients)

Poor response to other OUD patients

In a mandated monitoring program (e.g., pilots)

Co-morbid OUD and AUD

Patients who are not candidates for naltrexone include patients who use opioid in the last 7 days, have liverfailure, acute hepatitis or are pregnant. Patients without supervised administration are not good candidates for oral therapy. Patients with low muscle mass are not good candidates for the injection.

Length of effects

Often wears off within 30 minutes and completely gone within 90 minutes

The pill form may last all day; the injectable form may last for up to 30 days.


This medication should not be taken during pregnancy as it may cause may cause opioid withdrawal in the foetus

Using this medicine with any of the following medicines is usually not recommended; Morphine, Naloxegol, Morphine Sulfate Liposome, Oxycodone, Naldemedine, Oxymorphone

Some products that may interact with this medication include: disulfiram, diarrhoea drug (such as diphenoxylate) dextromethorphan, opioid pain or cough relievers (for example hydrocodone, codeine), thioridazine.

Oral bioavailability

2 per cent (high absorption but extensive first-pass metabolism)

Up to 40 percent


Naloxone and Naltrexone are two medications that are used to treat opioid addiction, but they have different uses and mechanisms of action. Naloxone is used to reverse the effects of an opioid overdose, while Naltrexone is used to prevent relapse in people who are trying to stop using opioids.

Both medications are important tools in the fight against opioid addiction, and they can be used together to provide a comprehensive treatment plan.

Difference Between Gps And Gprs

What is GPS?

GPS (Global Positioning System) is a satellite-based route framework that gives exact area and timing data to clients around the world. It employs an arrangement of circling satellites to decide the area, speed, and time of a GPS collector.

GPS was initially created by the Joined Together States Division of Defense for military applications, but it was made accessible for civilian utilize in the 1980s. Nowadays, GPS is broadly utilized in an assortment of applications, counting routes, looking over, mapping, following, and timing.

The GPS recipient employs these signals to calculate its position, speed, and time. The more signals the collector can get, the more accurate its location data will be. Ordinarily, a GPS collector will have to get signals from at slightest four satellites to decide its position precisely.

GPS has revolutionized navigation and area following, making it conceivable for people and organizations to pinpoint their area with tall exactness in any place within the world. It has moreover empowered an extent of modern applications, from real-time following of vehicles and cargo to accuracy horticulture and looking over.

What is GPRS?

GPRS is an always-on benefit, which suggests that information can be transmitted and gotten ceaselessly, without the ought to build up an association each time information is sent. GPRS works by partitioning the accessible transfer speed of a cellular network into little parcels of information, which are at that point transmitted over the organize. Each parcel is directed to its goal utilizing the foremost proficient way, which makes a difference to optimize arrange execution and diminishing inactivity.

GPRS has been to a great extent supplanted by more up-to-date versatile information innovations, such as 3G, 4G, and 5G, which offer quicker information exchange speeds and more progressed highlights. Be that as it may, GPRS is still utilized in a few regions where more progressed versatile information systems are not accessible, or where the fetching of overhauling to a more up-to-date innovation is restrictive.

Differences between GPS and GPRS

The differences are in the following table −

Basis of Difference



GPS is utilized for the area following and route.

Whereas GPRS is utilized for portable information exchange and communication.


GPS could be a satellite-based route framework that employs an arrangement of circling satellites to decide the area, speed, and time of a GPS receiver.

GPRS, on the other hand, maybe a packet-based remote communication benefit that empowers information exchange over a portable organization.


GPS is utilized for an assortment of applications, such as route, following, mapping, and studying.

GPRS is utilized for versatile web browsing, e-mail, and remote checking, among other applications.


GPS scope is worldwide because it employs an arrangement of satellites to supply area information.

GPRS scope is limited to the scope region of a cellular organization.

Transmission capacity

GPS requires exceptionally small transmission capacity because it as it were should transmit area information.

GPRS, on the other hand, can transmit information in little parcels, which makes it perfect for applications that require more transfer speed but visit information transmission.


GPS gives exceedingly precise area data, with an exactness of up to a couple of meters.

GPRS does not give area data but can be utilized to transmit area information from a GPS-enabled gadget.


In conclusion, GPS and GPRS are two diverse innovations that serve diverse purposes. GPS may be a satellite-based route framework that provides highly accurate area data, whereas GPRS could be a packet-based remote communication benefit that empowers information exchange over a portable organize. By understanding the contrasts between these two innovations, y be able to make educated choices appropriately /approximately which one to utilize for your specific needs.

Difference Between Beak And Bill

The anatomy of bird’s beaks, rostrum or bills which are used for preening, eating, fighting, courtship, feeding the young and even courtship, is adapted to their eating habits and lifestyle. Although these structures may have significant differences in color, texture, shape, and size, they are basically bony projections, in the lower and upper mandibles, and also have two holes leading to the respiratory system, commonly referred to as nares lead. The features bill, beak and rostrums are evident in different species hence serve different purposes.

What is Beak?

Beaks are basically a layer of the epidermis and are made up of a substance called keratin. They also have two holes, which are visible at the top, called nares, whose use is respiration. Beaks are connected by soft tissues and bones and may be of diverse types, such as thin, sharp, curved, long, slender, flat, conical and chisel beaks, just to name a few.

Despite the fact that beaks have many functions, the most significant one is feeding. Characteristics of birds can hence be easily categorized according to a bird’s beak structure, which in turn corresponds to the feeding habits.

What is Bill?

Bills are mostly common in birds such as flamingos, spoonbills, and pelicans which enable them to filter food in water. They have two parts, the fleshy covering and the bony skeleton of the jaws. Some birds such as finches use the bill to open seeds.

Differences: Beak and Bill

So, what exactly is the difference between a beak and a bill? In general, the term “beak” is typically used to describe the hard, pointed structure found on the face of birds such as eagles, hawks, and falcons. Beaks tend to be sharp and strong, enabling these birds to tear flesh from their prey or crack open tough shells to access food.

On the other hand, the term “bill” is often used to refer to the broader, flatter structures found on birds such as ducks, geese, and swans. Bills tend to be less sharp and more versatile than beaks, allowing these birds to filter feed in water or scoop up vegetation from the ground. Bills may also be used for courtship displays, such as when a male peacock fans out his brightly colored feathers and vibrates his bill to attract a mate.

Another key difference between beaks and bills is their shape and size. Beaks tend to be longer and more pointed, with a distinct curvature that helps them grip and tear prey. Bills, on the other hand, may be broader and flatter, with a more subtle curve that allows them to scoop up food or filter water. Additionally, while beaks are generally symmetrical, bills may be asymmetrical, with one side being larger than the other to aid in feeding.

The structure and function of beaks and bills can also vary depending on a bird’s species and habitat. For example, birds that live in wetland environments may have bills that are specifically adapted for catching fish or filtering water, while birds that live in forested areas may have beaks that are better suited for cracking open nuts or tearing apart bark.

It’s also worth noting that not all birds have beaks or bills in the traditional sense. Some species, such as parrots and toucans, have highly specialized structures known as “beak complexes” that allow them to manipulate and crack open tough foods with incredible precision. And some birds, such as the kiwi, have a small, soft protuberance on their face that is sometimes referred to as a “bill” but is not used for feeding at all.





Beaks are pointed and rounded at the end.

Bills are flat and rounded on the end.

Feeding habits

Beaks are common in birds that mainly feed on meat.

Bills are common in birds that feed on water creatures.


In summary, while the terms “beak” and “bill” are often used interchangeably, there are distinct differences between these two structures. Beaks tend to be longer, sharper, and more pointed, while bills are broader, flatter, and more versatile. These differences in shape and function allow birds to adapt to their specific habitats and feeding strategies, and make them some of the most fascinating and adaptable creatures on the planet.

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