Source Crayola® CSS3 CSS4
#c7d7e3
 
#c5d0e6
periwinkle
#d3d3d3
light gray
#d3d3d3
lightgrey
#0f1f21
 
#000000
black
#000000
black
#000000
black
#2c3c45
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#9eafbb
 
#a2add0
wild blue yonder
#a9a9a9
dark gray
#a9a9a9
darkgrey
#697b84
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey