All Ridgway plates
21 colors
Plate XXXIV
Color Standards and Color Nomenclature, 1912
#bccccc
Pale Glaucous-Blue
#b9c4cf
Sky Gray
#b0bacb
Burn Blue
#a2bdbd
Light Glaucous-Blue
#a2b5c1
Light Alice Blue
#97abc0
Light Columbia Blue
#81a6aa
Glaucous-Blue
#83a1b2
Alice Blue
#839cb4
Columbia Blue
#6a949c
Porcelain Blue
#6489a5
Orient Blue
#6b8199
Light Tyrian Blue
#5c8186
Gobelin Blue
#638195
Deep Orient Blue
#647b96
Tyrian Blue
#466c6b
Dark Gobelin Blue
#436677
Dark Orient Blue
#4a647f
Dark Tyrian Blue
#28575c
Dusky Green-Blue 2
#2e5967
Dusky Orient Blue
#3e586c
Indigo Blue