Source Crayola® CSS3 CSS4
#91b1b8
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#6b8590
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#425254
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#b1c19c
 
#a8e4a0
granny smith apple
#a9a9a9
dark gray
#a9a9a9
darkgrey
#c2ded2
 
#c5d0e6
periwinkle
#d3d3d3
light gray
#d3d3d3
lightgrey