Source Crayola® CSS3 CSS4
#20282d
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#444b54
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#616771
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey