Which is the correct list of primary colours?

Correct answer: Red yellow blue

The direct answer is B: red, yellow and blue. In the traditional school-art colour system, primary colours are treated as basic colours that cannot be made by mixing the other colours in that system. Mixing them produces secondary colours: red plus yellow gives orange, yellow plus blue gives green, and blue plus red gives purple or violet. Thus the reasoning is: identify the traditional primary set, then check which option contains all three. Option A contains green, orange and purple, which are secondary colours made from primary colours. Option B contains red, yellow and blue, so it is correct. Option C lists black, white and brown; these are not the traditional primary set. Option D lists pink, grey and golden, which are shades, tones or decorative colour names, not the basic traditional primary trio. This answer follows the school-art convention; scientific light systems use a different model. Memory cue: RYB—red, yellow, blue.