Exploring Horse Coat Colors with Fascinating Visuals!
Horse Coat Colors - updated by AonikaArt | Horse coat colors, Horse color chart, Horse coloring
Equine Coat Color Quiz v.2 by SheWolff on DeviantArt
Horse Genetics 2.1 Colour Chart | Laboratoire de génétique vétérinaire
International Dilute Stallions - AUS and NZ - A generalised view of equine coat colours from 2016, to give a good basic understanding. Produced by Kholran, an equine artist. Update 14/8/18: Thanks
Jennifer Hoffman Horse Coat Color Calculator
Horse Coat Color Panel | Veterinary Genetics Laboratory