Indigo

PBk6 + PB15:3 + PV19

Manufacturer

Michael Harding

Range

Artists' Watercolour

Color no.

W150

Color family

Blue

Transparency

Transparent

Lightfastness

★★★ Fair

Staining

Yes

Granulation

Yes

Price group / series

Series 1

Single pigment

About this pigment

PBk6 Lamp Black

amorphous carbon (soot) · Generic lightfastness: I

PB15:3 Phthalo Blue (Green Shade)

copper phthalocyanine (beta) · Generic lightfastness: I

PV19 Quinacridone Violet / Rose

quinacridone · Generic lightfastness: I

Swatch color as published by the manufacturer – on-screen rendering may differ. · michaelharding.co.uk/watercolours (product data, 2026-09-25)