What color is Poster, Bill Rauhauser photograph ?

Source Crayola® CSS3 CSS4
#54524c
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#8d8c84
 
#95918c
gray
#808080
grey
#808080
grey
#2e2d28
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#6f6e66
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey