Everybody knows that mixing yellow and blue in a painting produces green color.
The more yellow you add to the mix, the warmer the color is, the more blue - the cooler the color.
What would happen, though, if in between and around the blue and yellow the artist would surround them with various versions of green? Lighter and darker green, warmer and cooler green.
Sure, using yellow and blue exclusively in a painting will have an interesting effect if you look from the distance.
But using green with the combination of yellow and blue reinforces those two colors.
Strengthen and support.
The more yellow you add to the mix, the warmer the color is, the more blue - the cooler the color.
What would happen, though, if in between and around the blue and yellow the artist would surround them with various versions of green? Lighter and darker green, warmer and cooler green.
Sure, using yellow and blue exclusively in a painting will have an interesting effect if you look from the distance.
But using green with the combination of yellow and blue reinforces those two colors.
Strengthen and support.