What color is Print, Panel with the Letter "R" from the "Newes ABC Büechlein" ?

Source Crayola® CSS3 CSS4
#aea9a0
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#828079
 
#757575
sonic silver
#808080
grey
#808080
grey
#4a4846
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#686561
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey