What color is Drawing, Study for the Sculpture, Arrow to the Skies ?

Source Crayola® CSS3 CSS4
#c2dfda
 
#c5d0e6
periwinkle
#b0e0e6
powder blue
#b0e0e6
powderblue
#56595b
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey