Red and yellow make orange. Red and blue make purple. Yellow and blue make green. The third set of colours the tertiary colours are made when we mix primary and secondary colours together.

purple and violet aren’t the same thing. According to ZME Science, there are three types of cone cells of the eye’s retinas that respond to the colors red, green, or blue. There’s no single ...

Purple is a combination of wavelengths from opposite extremes of the spectrum, which technically deosn’t make any sense ... Red, orange, yellow, green, blue, and indigo are all just as real.