Question

what is a color subtraction?​

Answer 1

Answer:

The subtraction process selectively removes some parts of the visible spectrum. For example, the yellow filter removes the blue color, transmitting the green and red colors. The magenta filter removes green, transmitting the red and blue colors. The cyan filter eliminates red, and transmits blue and green.

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Answer 2

Answer:

subtraction is a sign

Explanation:

so I don't think it have any colour

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