Not fading or not subject to fading: fadeless fabric. (adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "fadeless" in a sentence
""The land of dreams among," it resumed its sceptre and reigns in fadeless beauty."
"I was thinking of going with a soothing green theme....buying more plants and putting fadeless green paper on all my bulletin boards...."
"Let Eivin bemember for Gates of Gold for their fadeless suns berayed her."