Here's a list of colors recognized by the SCNA:
Barred, Birchen, Black, Black Breasted Red, Black Tailed Buff, Black Tailed Red, Black Tailed White, Blue, Blue Brassy Back, Blue Golden Duckwing, Blue Red, Blue Silver Duckwing, Blue Wheaten, Brassy Back, Brown Red, Buff, Buff Columbian, Buff Laced, Choclate, Columbian, Crele, Cuckoo, Dark Brown, Exchequer, Fawn Silver Duckwing, Ginger Red, Golden, Golden Duckwing, Golden Laced, Golden Neck, Golden Penciled, Golden Spangled, Gray, Khaki, Lemon Blue, Light Brown, Mille Fleur, Mottled, Partridge, Porcelain, Quail, Red, Red Pyle, Red Saddle, Salmon, Self Blue, Silver, Silver Blue, Silver Duckwing, Silver Laced, Silver Penciled, Silver Spangled, Spangled, Speckled, Splash, Wheaten, White, White Laced Red
This does not include the kaleidoscope of colors that pop up at random! Such great variety in a lovely little bird!