What color is Print, Plan and Elevation for the Chigi Chapel at the Basilica of Santa Maria del Popolo ?

Source Crayola® CSS3 CSS4
#e0d9c2
 
#dbd7d2
timberwolf
#d3d3d3
light gray
#d3d3d3
lightgrey
#b4b0a2
 
#b0b7c6
cadet blue
#a9a9a9
dark gray
#a9a9a9
darkgrey
#6a6b62
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#898b7e
 
#95918c
gray
#808080
grey
#808080
grey
#3e423e
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey