Colour or color is a property of light as seen by people. In Latin, as well as the United States, the word is spelled “color” (without a ‘u’.) In traditional English, it is spelled “colour” (with a ‘u’).
The most common colour names are:
"Primary colours" can be mixed to make the other colours. Red, yellow and blue are the three traditional primary colours. The primary colours for television screens and computer monitors are red, green and blue. Printers use magenta, yellow and cyan as their primary colours; they also use black.
When something has no colour, it is transparent. An example is air.
The science of color is sometimes called chromatics, colorimetry, or simply color science
|The Simple English Wiktionary has a definition for: colour.|