All Ridgway plates
21 colors
Plate L
Color Standards and Color Nomenclature, 1912
#aca8ae
Light Plumbago Gray
#b3a9ae
Light Heliotrope-Gray
#c6b6b9
Light Vinaceous-Gray
#98959d
Plumbago Gray
#9f99a1
Heliotrope-Gray
#a89ba0
Vinaceous-Gray
#86868e
Deep Plumbago Gray
#8d8791
Deep Heliotrope Gray
#968a8e
Deep Vinaceous-Gray
#787a87
Dark Plumbago Gray
#7f777d
Dark Heliotrope Gray
#83787a
Dark Vinaceous-Gray
#63656d
Plumbago Slate
#625f67
Heliotrope-Slate
#655e60
Vinaceous-Slate
#494e54
Dark Plumbago Slate
#505255
Dark Heliotrope Slate
#525152
Deep Slaty Brown
#3e4545
Dull Violet-Black 3
#3f4241
Dull Purplish Black
#42403d
Aniline Black