The color mixes are matched to the cured colors of the other clays

since they change color between uncured and cured.

There is no or very little color shift between cured and uncured Kato Polyclay!

Brand of Clay   KPC Color Mixture - example 4 parts of KPC White plus 2 parts KPC Brown and 1 1/2 parts of KPC Yellow = Sculpy Ecru
Premo   Kato Polyclay    
White = KPC White
Ecru = KPC White - 4 KPC Brown - 2 KPC Yellow 1 1/2
Translucent = KPC - Translucent    
Purple = KPC Violet - 4 KPC Red - 1/4
Copper = KPC Met. Copper    
Pearl = KPC Met. Pearl    
Orange = KPC Yellow - 2 1/2 KPC Orange - 1
Silver = KPC Met. Silver
Cadmium Red = KPC Red - 2 KPC Orange - 1
Black = KPC Black
Ultramarine Blue = KPC Ultra Blue - 1 KPC Violet - 1
Burnt Umber = KPC Brown - 4 KPC Red - 1 KPC Black - 1/2
Raw Sienna = KPC Brown
Cobult Blue = KPC Ultra Blue - 4 KPC White - 1/2
Sea Green = KPC Green - 3 KPC Ultra Blue - 1
Turquoise = KPC Turquoise - 2 KPC White - 1/2 KPC Green - 1/2
 
Sculpy III Kato Polyclay
Navy Blue = KPC Ultra Blue - 2 KPC Black - 1/2 KPC Violet - 1
Terra Cotta = KPC Brown - 3 KPC Red - 1
Teal = KPC Turquoise - 5 KPC Black 1/2 KPC Violet - 1/4
Mint = KPC White - 2 KPC Green - 1 KPC Turquoise - 1/2
         
FIMO   Kato Polyclay    
Cherry Red

=
KPC Magenta - 2 KPC Red - 1  
Carmel

=
KPC Brown - 2 KPC Yellow - 1/2  
Mandarin

=
KPC Yellow - 3 KPC Orange - 1