All Ridgway plates
21 colors
Plate XVI
Color Standards and Color Nomenclature, 1912
#fbe1a8
Cream Color
#f6e4a6
Massicot Yellow
#f9e9a7
Naphthalene Yellow
#ecce88
Naples Yellow
#fce499
Straw Yellow
#f9e38c
Barium Yellow
#f4c863
Mustard Yellow
#f4d362
Amber Yellow
#f4dd6e
Citron Yellow
#efb83e
Primuline Yellow
#f0c441
Wax Yellow
#f6d14b
Strontian Yellow
#bb9949
Old Gold
#9e894c
Olive Lake
#ad9e4b
Yellowish Citrine
#98834a
Buffy Citrine
#8d8552
Dull Citrine
#8b8647
Serpentine Green
#81744c
Saccardo's Olive
#6f6d44
Olive-Citrine
#6f7044
Roman Green