nonfading

/ˌnɑnˈfeɪdɪŋ/
adjective
  1. Not losing color, brightness, or intensity over time; lasting.
    • The artist used nonfading pigments to ensure the mural would remain vibrant for generations.
    • This nonfading paint will keep your walls looking fresh for decades.
    • She bought a nonfading fabric for the outdoor cushions so they wouldn't bleach in the sun.
Antonyms