Educational
- Wikipedia Inorganic Pigments EN
- Wikipedia Farbstoffe DE
- Wikipedia Pigmente DE
- Werners Nomenclature of Colours EN
- Nomenclature of Colours EN
- British & Exotic Mineralogy EN
- Impossible Colors EN
- Unordentliche Farben DE
- Colour Index EN
- Color Index Names EN
- Deutsches Farbenzentrum DE
- Color System – Gamut EN
- Color System – CIELAB EN
- Color System – CIECAM02 EN
- Color System – Munsell EN
- Color System – HCL
- Color System – HKS DE
- Color System – RAL DE
- Color System – RAL Eisenbahnfarben DE
- Color System – Deutsche Bahn
- Color System – PANTONE
- Color System – RGBA
- Color System – CSS Color Systems
- Color System – Sandalor Eloxal DE
- Color System – ORACAL 8500 DE
- Harmony Tool – Adobe Color
- Harmony Tool – Google Material
- Harmony Tool – ColorBox
- Guide of Blacks
- Light – Refraction & Reflection
Commercial
- Kremer Pigments EN
- Pigment Tokyo EN
- KT Color CH
- Natural Pigments EN
- Restauro DE
- Streichgut DE
- Kreidezeit DE
- Conluto DE
- Sehestedter Naturfarben DE
- Lick EN
- Horst DE
- Farrow & Ball EN
- Little Greene EN
- Pinus Amber LT
- Schmincke DE
- Caparol Icons DE
- Windsor & Newton EN
- AURO DE
- OSMO DE
- KEIM DE
- Vitra Colour & Material Library
- DesignBoom – Product Library
- Textures
- Aesop – Taxonomy of Design
- Kvadrat Textiles
- Vitra Textiles
- Book – Textilepedia
- Book – Werkstoffe & Techniken der Malerei