Definition, Meaning & Synonyms

lightfast

Adjective

/ˈlaɪt.fæst/

Definition

A property of a material that denotes its resistance to fading when exposed to light.

Examples

Artists prefer lightfast paints for their long-lasting vibrancy.
This fabric has been tested for lightfastness, ensuring its colors won’t fade quickly.
When choosing art supplies, look for those labeled as lightfast to preserve your artwork.

Meaning

Lightfastness refers to the ability of a pigment or dye to retain its original color over time when subjected to sunlight or artificial light sources.