What color is Sketchbook Folio, Waves Breaking on Tall Dark Cliffs ?

Source Crayola® CSS3 CSS4
#b1a798
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#867e74
 
#757575
sonic silver
#808080
grey
#808080
grey
#68625b
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey
#3a3633
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey