What color is Sample, Rainbow ?

Source Crayola® CSS3 CSS4
#51607a
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey
#323d56
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#6a7a8d
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#82898a
 
#95918c
gray
#808080
grey
#808080
grey