All Ridgway plates
21 colors
Plate XIX
Color Standards and Color Nomenclature, 1912
#c9e3cc
Dull Opaline Green
#c1e4d4
Microcline Green
#b9ded7
Pale Nile Blue
#a2d4b5
Variscite Green
#9dd6c3
Pale Sulphate Green
#8ccac4
Nile Blue
#7bc6a0
Cobalt Green
#6ec5b2
Light Sulphate Green
#64bcba
Beryl Green
#469c7e
Verdigris Green
#419f90
Sulphate Green
#409a9b
Methyl Green
#5a8e74
Zinc Green
#498d7a
Dark Sulphate Green
#388783
Sea Green
#4c7866
Dark Zinc Green
#3e776a
Dark Cinnabar Green
#2d7a72
Prussian Green
#375f57
Bottle Green
#295c5c
Duck Green
#39615c
Invisible Green