When dealing with physical colors: Red, Yellow, and Blue are primary colors When dealing with ink: Cyan (Blue-ish), Magenta (Red-ish), Yellow, and Black are primary colors When dealing with phosphors of light: Red, Green, and Blue are primary colors Ergo, a set amount of red and green will make yellow. Read more: http://en.wikipedia.org/wiki/Yellow
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In theory, red and green light make yellow. In practice, it's really difficult to mix red and green to get a decent yellow, so I usually end up supplementing the mix with a yellow or amber source, or just using a yellow filter instead. This is from the standpoint of theatrical lighting design, YMMV.
If you know the three primary additive colors, then you should already know this, or know where to look it up. The Wikipedia article has the diagram you need right at the very top.
Ummm... yellow is a primary color. No two colors combined can make yellow.
Wrong answer. Look up "additive color" and "subtractive color." Pigments are subtractive, light is additive. Haven't you ever played with color filters and seen the cool shadows?
Yellow and clear.
primary colors of light which are red blue and green
Websearch "additive color".