noun
- the resistance of a dye, pigment, or colored material to fading when exposed to light
Usage: technical
Examples
- The artist chose paints with high lightfastness to ensure the painting would not fade over time.
- Textile manufacturers test the lightfastness of their dyes before mass production.
- Poor lightfastness caused the curtains to lose their vibrant color after months in the sunny window.
- The museum uses special lighting to preserve artworks with low lightfastness ratings.
- Watercolor paints are often rated for their lightfastness on a scale from I to IV.
- The fabric’s excellent lightfastness made it suitable for outdoor furniture.