All Ridgway plates
21 colors
Plate XLIII
Color Standards and Color Nomenclature, 1912
#b3b8c1
Lavender-Gray
#bbbbc6
Plumbago Blue
#bcb6be
Grayish Lavender
#a4aab6
Endive Blue
#a7a7bb
Deep Plumbago Blue
#aba3b4
Deep Grayish Lavender
#8d99ab
Dutch Blue
#9194ae
Dark Plumbago Blue
#9694ae
Dark Grayish Lavender
#77879c
Deep Dutch Blue
#787d95
Madder Blue
#7a7c8e
Ramier Blue
#637284
Slate-Blue
#646d80
Deep Madder Blue
#616173
Slate-Violet 1
#485b6c
Deep Slate-Blue
#525c6a
Dark Madder Blue
#575763
Dark Slate-Violet 1
#334953
Dusky Slate-Blue
#384450
Dusky Violet-Blue 2
#43484c
Dusky Slate-Violet