Colour Index Code

PY31

Lemon Yellow

Chemistry: Synthetic organic azo
Origin: Synthetic organic.
History: A bright, greenish lemon yellow for tints and mixing.
Toxicity: Non-toxic.

Lemon Yellow (PY31) is Synthetic organic azo.

Lightfastness: Excellent
Toxicity: Contains toxic pigment

PY31: Questions & Answers

What is PY31?

PY31 (Lemon Yellow) is Synthetic organic azo. Synthetic organic..

What is the chemistry of PY31?

PY31 is Synthetic organic azo.

Is PY31 toxic?

Non-toxic.

Is PY31 lightfast?

In the Michael Harding range, colours using PY31 are rated excellent for lightfastness.

Which Michael Harding colours use PY31?

PY31 appears in 1 Michael Harding colour: Lemon Yellow.

Michael Harding colours using PY31

1 colour across both rangesLightfastness: ExcellentContains toxic pigment

Oil Colours containing PY31

1 colour

No. 108 Lemon Yellow

Series 1

OpaqueAverageCoolToxicⓋ Vegan

Pigment: PY31
Type: Inorganic
Lightfastness: Excellent
Oil Content: Very Low
Tint Power: Low

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Watercolours containing PY31

0 colours

No Michael Harding watercolour colours currently use PY31.

Michael Harding colours containing PY31, with medium, transparency, lightfastness and granulation. Granulation applies to watercolour only.
Colour	Medium	Transparency	Lightfastness	Granulation
Lemon Yellow No. 108	Oil	Opaque	Excellent	—

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Compare

Pigments in the same family

PY3

Arylide / Hansa Yellow

PY35

Cadmium Yellow

PY40

Aureolin / Cobalt Yellow

PY41

Naples Yellow

Mix with

Complementary pigments to mix with PY31

Opposite-family pigments that pair cleanly with PY31 for neutrals, shadows and chromatic greys.

Quinacridone Violet / Magenta

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