Source Crayola® CSS3 CSS4
#504c48
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#746d65
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#dfdac4
 
#dbd7d2
timberwolf
#d3d3d3
light gray
#d3d3d3
lightgrey