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by Kim_Bruning 354 days ago
The typical sets of primary/secondary colors are RGB and CMY. Which set is considered "primary" depends on if you're doing additive (light) or subtractive (ink/pigment) mixing.

In additive color mixing, Red (#F00), Green (#0F0) and Blue (#00F) are the primary colors, and Cyan, Magenta and Yellow are the secondary colors.

Cyan: Green+Blue (#0FF)

Magenta: Red+Blue (#F0F)

Yellow: Red+Green (#FF0)