What color is Separation For Silkscreen ?

Source Crayola® CSS3 CSS4
#795f5c
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey
#97938c
 
#95918c
gray
#808080
grey
#808080
grey
#683d35
 
#714b23
raw umber
#8b4513
saddle brown
#8b4513
saddlebrown
#dde0ca
 
#dbd7d2
timberwolf
#dcdcdc
gainsboro
#dcdcdc
gainsboro