Lightfastness Definition - Creative Glossary

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Term Details
Term:	Lightfastness
Subcategory:	Technical
Definition:	Lightfastness refers to the degree that pigments, dyes and paints alter their color or fade due to exposure to UV or daylight heat, alkalis, or acids. The estimate lifespan of a print may be found by certain tests, like the Wilhelm Laboratory reports or the Blue Wool Scale. A print’s lightfastness may be impacted by various factors including the paper and ink used. Some inks fade much faster than others.

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