Winsor & Newton : Professional Watercolor : Lightweight Metal Sketchers Box : 5ml : Set of 12

The colours are chosen according to mass tone (colour from tube), undertone (bias of colour when in a thin film), colour strength, relative opacity

Watercolour Paint Sets - Winsor & Newton PROFESSIONAL - TUBE TRAVEL TI – WoW Art Supplies

Winsor & Newton Cotman Watercolour Set 20x5ml

Winsor & Newton - Artists' Water Colour - 12 x 5ml - Lightweight SKETCHERS Box

Winsor & Newton Professional Watercolour Lightweight Sketchers Box 12 x 5ml Tube

Winsor & Newton Cotman Water Colour Sketchers' Pocket Box

Art Sets: Watercolour Sets, Acrylic Painting Sets, Oil Paint Sets and more: Winsor & Newton

Winsor & Newton Art Box

Windsor & Newton Professional Watercolor High grade watercolor paint with purity, quality and reliability High grade watercolor paint used by British

Winsor & Newton Professional Watercolor Paint Set, Black Box Set, 12 Half Pans

Winsor & Newton Art Box

Series number: 4 Chemical description: Cadmium sulphoselenide Colour index name: PR 108 Colour index number: 77202 Permanence rating: A(ii) ASTM

Winsor & Newton : Professional Watercolor : 14ml : Cadmium Scarlet

Winsor & Newton Professional Watercolor - Black Box Half Pan, Set of 12

Watercolour Sets – Stuart R. Stevenson