This is the full index: every reference article on Chicken Color Standards, grouped and linked from one page. If you're looking for a specific colour or gene and don't want to hunt through the homepage or the nav bar, start here.
Start here
Genetics Guide How the whole system works
Glossary Every term and colour locus
Chicken Anatomy Comb, wing, tail, saddle & cushion explained
FAQ Common questions, answered
About & Methodology Who writes it, and the sources
Links & Resources Open standards, breed associations & tools
Patterns & mechanisms
Pattern genes Lacing, pencilling, spangling
Linked genes Db, Ml & Pg travel together
Sex-linked genes Sexing chicks by colour
Chick down sexing Pullet or cockerel at hatch
Mottling The white tip, many standards
Barred & Cuckoo The sex-linked barring gene
Brown vs Wheaten Base Same look, different Extension allele
Colours & varieties
Partridge & Duckwing The wildtype base
Salmon The Faverolles wheaten colour
Blue, Splash & Black One gene, three looks
Lavender Self-blue, and how it hides
Isabel Lavender on a gold base
Chocolate Sex-linked warm brown
White Dominant vs recessive
Mille Fleur The tricolour pattern
Porcelain Lavender-softened mille fleur
Tollbunt Laced and mottled together
Buff Columbian Black, Blue & Splash Columbian markings
Buff White Columbian Often called "lemon pyle" — why it isn't true pyle
Tools: Compare Standards · Breeding Outcomes