What color is Panel ?

Source Crayola® CSS3 CSS4
#6b675c
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey
#4c5359
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#54463c
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#8c7f6c
 
#8a795d
shadow
#808080
grey
#808080
grey