Whenever you break up a ray of white light with a prism, you'll always have the same colors red, orange, yellow, green, blue, indigo, and violet in that exact order. They're easier to remember with the mnemonic device ROY G. BIV.
black
purpleish light
white light!
grey
heat is produced, light is produced, gas is produced, the chemicals change color.
yellow
Black
purple
If you mix green light and blue light, you get turqoise (a greenish-blueish color) light. Hope this helped! -ID6784
Yes. White is produced by the reflection of all colored light, and black is produced by the absorption of all colored light.
That would be black.
Green