What color is Drawing, Project: the decoration of a panel ?

Source Crayola® CSS3 CSS4
#cdd3e8
 
#c5d0e6
periwinkle
#dcdcdc
gainsboro
#dcdcdc
gainsboro
#4c4454
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#8fa3b7
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#686978
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#857479
 
#757575
sonic silver
#808080
grey
#808080
grey