lightfast

A bumper sticker is usually a vinyl label with a very strong, durable adhesive and lightfast inks.

Lascaux Aquacryl uses only finely dispersed, transparent and very lightfast pigments, the numbers for which are published on the colour chart.

Turmeric makes a poor fabric dye as it is not very lightfast (the degree to which a dye resists fading due to light exposure).

Exceptional durability and resistance to yellowing is promised by the combination of lightfast pigments and a highly advanced acrylic emulsion.

As all madder-based pigments are notoriously fugitive, artists have long sought a more permanent and lightfast replacement for Rose Madder and Alizarin.

Derwent Signature was a range of lightfast pencils, available in 60 colours (Signature Watercolour pencils came in 40 colours) but it was discontinued after a few years.

This Prussian blue pigment is significant since it was the first stable and relatively lightfast blue pigment to be widely used following the loss of knowledge regarding the synthesis of Egyptian blue.

In the 19th century, watercolors acquired a market reputation for relative impermanence that continues to suppress their price today, and painters who admire this medium will make choices to improve its market status: in fact, lightfast watercolor paints on archival papers are more durable than any oil painting on canvas.