Source Crayola® CSS3 CSS4
#4a6d50
 
#4a646c
deep space sparkle
#556b2f
dark olive green
#556b2f
darkolivegreen
#67876f
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#8d988d
 
#95918c
gray
#778899
light slate grey
#778899
lightslategrey