Mixing complementary colours, similar to yellow and purple, can create shades of grey. As an illustration, combining yellow and purple in equal proportions ends in a impartial grey. The precise shade of grey will range relying on the precise hues and proportions of the complementary colours used.
This methodology is advantageous as a result of it produces grey tones with out the usage of black, which might generally overpower or darken the ensuing colour. Moreover, utilizing complementary colours permits for extra refined and nuanced shades of grey.