Source Crayola® CSS3 CSS4
#2f7b7a
 
#319177
illuminating emerald
#2e8b57
sea green
#2e8b57
seagreen
#212725
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#6d7d75
 
#757575
sonic silver
#808080
grey
#808080
grey
#515a53
 
#414a4c
outer space
#696969
dim grey
#696969
dimgrey
#839e94
 
#95918c
gray
#778899
light slate grey
#778899
lightslategrey