What color is Poster, Human Rights Now! ?

Source Crayola® CSS3 CSS4
#262a2e
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#596563
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey
#894c84
 
#8d4e85
razzmic berry
#696969
dim grey
#663399
rebeccapurple
#5c8e88
 
#6dae81
forest green
#708090
slate gray
#708090
slategrey
#405163
 
#4a646c
deep space sparkle
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey