What color is Panel (USA) ?

Source Crayola® CSS3 CSS4
#2f2b27
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#d0cdbd
 
#cdc5c2
silver
#c0c0c0
silver
#c0c0c0
silver
#6e6961
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey
#928e84
 
#95918c
gray
#808080
grey
#808080
grey
#4f4d46
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey