Source Crayola® CSS3 CSS4
#497a60
 
#4a646c
deep space sparkle
#2e8b57
sea green
#2e8b57
seagreen
#68726f
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#89a996
 
#95918c
gray
#8fbc8f
dark sea green
#8fbc8f
darkseagreen
#305441
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey