All Ridgway plates
21 colors
Plate IV
Color Standards and Color Nomenclature, 1912
#fce09a
Maize Yellow
#e2cf8f
Baryta Yellow
#fceb9f
Martius Yellow
#fbcd77
Buff-Yellow
#fee97f
Pinard Yellow
#fee769
Picnic Yellow
#ecbe57
Apricot Yellow
#c1ad57
Empire Yellow
#fee562
Pale Lemon Yellow
#cdaa47
Light Cadmium
#fed01d
Lemon Chrome
#d4bd4e
Lemon Yellow
#d5a414
Aniline Yellow
#c6a641
Sulphine Yellow
#bda33f
Pyrite Yellow
#947629
Orange-Citrine
#957f3a
Citrine
#908538
Warbler Green
#756033
Medal Bronze
#776b39
Dark Citrine
#6d6d3f
Olive-Green