noun
the ability of a material or substance to resist fading or changing color when exposed to light
-
The lightfastness of this pigment is exceptional, ensuring its color will not fade over time.
-
Make sure to choose markers with good lightfastness if you want your artwork to last.
-
I heard these new paints have crazy lightfastness, so your paintings will never lose their vibrancy.
-
Her commitment to her values is like the lightfastness of a high-quality paint, unwavering and enduring.