What color is Unknown ?

Source Crayola® CSS3 CSS4
#706553
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey
#9e937a
 
#95918c
gray
#808080
grey
#808080
grey
#3a3428
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey