What color is Panel ?

Source Crayola® CSS3 CSS4
#b5b19c
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#848771
 
#757575
sonic silver
#808080
grey
#808080
grey
#3a4c38
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#70664c
 
#85754e
gold fusion
#696969
dim grey
#696969
dimgrey
#4e4739
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen