Complementary color

This calculator shows complementary colors for entered colors

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Timur

Michele

Michele

Created: 2017-12-16 06:13:51, Last updated: 2020-12-11 13:52:33
Creative Commons Attribution/Share-Alike License 3.0 (Unported)

This content is licensed under Creative Commons Attribution/Share-Alike License 3.0 (Unported). That means you may freely redistribute or modify this content under the same license conditions and must attribute the original author by placing a hyperlink from your site to this work https://planetcalc.com/7661/. Also, please do not modify any references to the original work (if any) contained in this content.

As stated in wikipedia, complementary colors are pairs of colors which, when combined, cancel each other out. This means that when combined, they produce a gray-scale color like white or black. When placed next to each other, they create the most substantial contrast for those particular two colors. That's why life vests are often orange (0xFFA500), which is the direct opposite of navy blue (0x005AFF). Due to this striking color clash, the term opposite colors is often considered more appropriate than "complementary colors."

Complementary colors can create some striking optical effects. The shadow of an object appears to contain some of the complementary colors of the object. For example, the shadow of a red apple will appear to contain a little blue-green. This effect is often copied by painters who want to create more luminous and realistic shadows. If you stare at a square of color for a long time (thirty seconds to a minute) and then look at a white paper or wall, you will briefly see an afterimage of the square in its complementary color. Placed side by side as tiny dots, in partitive color mixing, complementary colors appear gray.

Finding a complementary color is very simple in the RGB model. For any given color, for example, red (#FF0000), you need to find the color, which, after being added to red, creates white (0xFFFFFF). Naturally, all you need to do, is subtract red from white and get cyan (0xFFFFFF - 0xFF0000 = 0x00FFFF).

To use the calculator, add color to the table below. The output table will show the original entered color along with its complementary color.

PLANETCALC, Complementary color

Complementary color

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PLANETCALC, Complementary color

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