Why is a split-primary palette useful for secondary colours?

Correct answer: It helps create cleaner orange, green, and violet

The governing concept is selecting primary pigments by their colour bias. A split-primary palette provides warm and cool versions of each primary, allowing the artist to choose pairs that lean toward the desired secondary colour. Warm red plus warm yellow supports clean orange; green-biased yellow and blue support clean green; suitable red and blue support violet. Option A is correct, while the other choices contradict the purpose of the palette.