Colours

The electromagnetic waves visible to eyes called as Light.

The visible wavelength range(400-700)nm
Maximum wavelength- Red
Minimum wavelength-Violet
Black is the absence of colour.

[Primary Colours- Red, Green, Blue]
Red + Green= Yellow
Green + Blue= Cyan
Blue + Red= Magenta

[Secondry Colours-Yellow, Cyan, Magenta]
Complementary colours- They're added to primary colours to obtain white colour.
Green + Magenta= White
Red + Cyan= White
Blue + Yellow= White