Source Crayola® CSS3 CSS4
#607e77
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#69573a
 
#714b23
raw umber
#556b2f
dark olive green
#556b2f
darkolivegreen
#525244
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#75725f
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#383329
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey