What color is Ribbon, Buttons ?

Source Crayola® CSS3 CSS4
#2e3031
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#5a3d26
 
#714b23
raw umber
#556b2f
dark olive green
#556b2f
darkolivegreen
#815128
 
#714b23
raw umber
#8b4513
saddle brown
#8b4513
saddlebrown
#9b714c
 
#a5694f
sepia
#a0522d
sienna
#a0522d
sienna
#9f918c
 
#95918c
gray
#bc8f8f
rosy brown
#bc8f8f
rosybrown