What color is Poster, HorseMoveProjectSpace and Deveemvloer Present: Paraat 3 ?

Source Crayola® CSS3 CSS4
#8991a8
 
#979aaa
manatee
#778899
light slate grey
#778899
lightslategrey
#484c57
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#676c7d
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#bdc7de
 
#c5d0e6
periwinkle
#b0c4de
light steel blue
#b0c4de
lightsteelblue
#292a2e
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey