4
G
B
R
W
C
M
Y
Y
M
C
K
R
B
G
The 3 primary colours of light represent red, green and blue light. The more the colours
are mixed, the brighter the resultant colour becomes. Equal mixing of these three colours
produces a colourless and transparent light (white light). Mixing these colours to make
another colour is called “additive colour mixing”.
The colours of the cathode-ray tube of a TV and PC displays are produced by this method.
The 3 primary colours of colour materials such as paints or colour toners represent Yellow
(Y), Magenta (M) and Cyan (C). The more the colours are overlaid, the darker the tone
becomes. Mixing these three colours equally produces a black. Mixing these colours to
make another colour is called “subtractive colour mixing”.
The colours of printed matter such as posters and brochures are produced by this
subtractive colour process.
3 PRIMARY COLOURS OF LIGHT AND ADDITIVE COLOUR MIXING
3 PRIMARY COLOURS OF COLOUR AND SUBTRACTIVE COLOUR MIXING
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