What color is Poster, Geckos ?

Source Crayola® CSS3 CSS4
#425aa0
 
#2e5894
b'dazzled blue
#483d8b
dark slate blue
#483d8b
darkslateblue
#7c828a
 
#757575
sonic silver
#808080
grey
#808080
grey
#646f8a
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey