How permanent or fugitive are Designers Gouache colours?

Permanence in the main refers to lightfastness. Some of the most vivid pinks and violets are only moderately durable, more suitable for designers artwork than fine artists who want greater permanence. The latter should choose only the colours rated as permanent.

Do not mistake any references to permanence on lower quality products if the meaning is waterproof. The fading of a colour is due to the pigment and the methods which are used in painting. The permanence of a colour is described by Winsor & Newton using the system of AA, A, B and C.

AA being Extremely Permanent and C being Fugitive. Fugitive means ‘transient’, some fugitive colours may fade within months. For permanent paintings it is recommended that only AA and A colours are used as these are not expected to fade.

Light Purple has a B rating and Parma Violet a C rating, fading over a 10 year period would not be unexpected with these colours. More.

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