Medium reference

Acrylic paints

2471 acrylic paints from 11 brands, measured in CIE L*a*b*.

Lightfastness

How well the colour resists fading. ASTM I is the most permanent; V is fugitive.

I

2263 paints

II

137 paints

III

17 paints

IV

10 paints

V

20 paints

These paints carry the brand's own lightfastness scale rather than ASTM I-V, so they are not directly comparable with the grades above.

B

17 paints

Opacity

How much the paint covers what is underneath.

Opaque

871 paints

Semi-Opaque

540 paints

Transparent

531 paints

Semi-Transparent

529 paints

Pigments

135 distinct pigment codes across these paints. The most widely used are shown below; 127 more are used less often.

PW6

506 paints

PG7

259 paints

PR101

215 paints

PY42

203 paints

PBr7

170 paints

PB15:3

161 paints

PY74

135 paints

PB29

132 paints

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