All Ridgway plates
21 colors
Plate IX
Color Standards and Color Nomenclature, 1912
#c4daf6
Pale Mazarine Blue
#c3d5f7
Pale Amparo Blue
#c1ceef
Pallid Violet-Blue
#8eb5f2
Mazarine Blue
#8fb0f3
Light Amparo Blue
#a3b5ec
Pale Violet-Blue
#6190eb
Salvia Blue
#7292ec
Amparo Blue
#8297df
Light Violet-Blue
#196cd6
Spectrum Blue
#3267d5
Bradley's Blue
#3e5ccd
Phenyl Blue
#195dc6
Ultramarine Blue
#2554c2
Lyons Blue
#4a57b3
Smalt Blue
#2b57a8
Rood's Blue
#3851a1
Helvetia Blue
#3b4c94
Hay's Blue
#335084
Prussian Blue
#354b86
Cyanine Blue
#434d7b
Azurite Blue