coloration or anything likened to it that eliminates or reduces visibility or conspicuousness.
Origin of protective coloration
First recorded in 1890–95
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
the coloration of an animal that enables it to blend with its surroundings and therefore escape the attention of predators
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012