What color is Bookpaper ?

Source Crayola® CSS3 CSS4
#506a79
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey
#78868a
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#2a2824
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#aeafa3
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#3a454a
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey