colorfast

• colourfast (UK)

From color +‎ fast. Compare West Frisian kleurfêst (“colourfast”), Dutch kleurvast (“colourfast”).

colorfast (comparative more colorfast, superlative most colorfast)

1. Having colors that have been dyed or applied to the material in a way that will prevent them from being washed out, running, or fading.

• lightfast, sunfast

• waterfast

• olfactors, soft coral