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| Understanding Color/Light and Color | Index | Home |
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The three primary colors of light |
The human eye perceives wavelengths of 400-500 nm (nanometers) as blue, 500-600 nm as green, and 600-700 nm as red. These are known as the three primary colors in the computer industry, abbreviated as RGB. |
All colors encountered in nature can be reproduced by combining light of these three wavelengths in varying intensities. Mixing 100% of all three colors will produce white light. Reducing each component to 0% will result in the absence of light, or black. |
The art of reproducing color by adding the three primary RGB colors in varying proportions is called additive mixing. This principle is used to reproduce the color in video and computer monitors. |
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