Definitions for "Receding colors"
Keywords:  illusion, cooler, blue, cool, green
colors that make a wall or surface appear to be further away than it actually is - usually pale colors, especially from the "cooler" end of the spectrum, such as blues, greys, and blue-greens
Colors which give an illusion of withdrawing into distance such as cool colors in which blue predominates.
Colors that appear more distant, such as blue, gray or bluish-greens.