Part of the Scribal Arts collection on art materials.
Winsor & Newton gouache colors identified by Ellen of the Scholars as period colors, along with their various ratings. (Information about the full line, including non-period colors, is also available.)
W & N Permanence ratings of A and AA are permanent enough for SCA use.
ASTM Lightfastness ratings of I and II are enduring enough for SCA use.
Color name |
Color code |
W & N Permanence rating |
ASTM Lightfastness rating |
Opacity |
Cadmium yellow |
108 |
A |
I |
Opaque |
Cadmium red |
094 |
A |
I |
Opaque |
Vermilion |
? |
? |
? |
? |
Permanent Alizarin Crimson |
466? |
A |
? |
Semiopaque |
Ultramarine |
660 |
A |
I |
Opaque |
Indigo |
322 |
A(iii) - bleached by acids |
I |
Opaque |
Viridian |
692 |
AA |
I |
Transparent |
Naples yellow | 422 | AA | I | Opaque |
Naples yellow (deep) | 425 | AA | I | Opaque |
Yellow ochre | 744 | AA | I | Opaque |
Raw umber | 554 | AA | I | Opaque |
Lamp black | 337 | AA | I | Opaque |
Permanent white | 512 | A | I | Opaque |
Earth green | ? | ? | ? | ? |
Terrvert | ? | ? | ? |
Vermilion, earth green, and terrvert were handwritten additions to the period color chart that these notes were transcribed from. However, I can't find corresponding names in Winsor & Newton's current gouache lineup; they may have been discontinued?