Chapter 3 — Colourfastness of Natural Dyes 14 / 32

Earth dyes hold their ground — synthetics wash out.

Percentage of original colour retained after 40 wash cycles, Pidan samples from Phnom Penh archive

100% 80% 60% 40% 20% 0

94%

89%

82%

76%

51%

28%

Lac-dye Red Ebony Black Indigo Blue Prohut Bark Turmeric Synthetic Dye

This is the Cambodian Pidan Ikat design system, applied by Curio Design — a design-style library for AI agents. Full Cambodian Pidan Ikat guide → designbycurio.com/learn/cambodian-pidan-silk-ikat