What color is Panel ?

Source Crayola® CSS3 CSS4
#5e4330
 
#714b23
raw umber
#556b2f
dark olive green
#556b2f
darkolivegreen
#5b5348
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#857e73
 
#757575
sonic silver
#808080
grey
#808080
grey