All Ridgway plates
21 colors
Plate X
Color Standards and Color Nomenclature, 1912
#ced2f4
Pallid Blue-Violet
#cdcef5
Pallid Bluish Violet
#cecaf1
Pallid Violet
#adbaf3
Pale Blue-Violet
#b2b6ef
Pale Bluish Violet
#b3afe7
Pale Violet
#8993e1
Light Blue-Violet
#8d8edd
Light Bluish Violet
#958dd6
Light Violet
#5e4ec4
Blue-Violet
#6245c0
Bluish Violet
#6740a6
Spectrum Violet
#514e9f
Deep Blue-Violet
#5e47ab
Violet Ultramarine
#69519a
Royal Purple
#504988
Hyacinth Blue
#50457e
Roslyn Blue
#534c7c
Dark Violet
#364261
Dark Aniline Blue
#454360
Dark Bluish Violet
#473b63
Blackish Violet