HEX CODES
#E5E2E7
#DAD6DD
#B1B0B1
#8E8C90
#4E6169
#001421
#546065
#02121A
#76B0AF
#378D8D
#6B8F8F
#285E5E
#9E8362
#744C19
#85755F
#4E3514
#C19966
#A86C1F
#9A8262
#6E4A19

Original image from Diego Jimenez

Five colors with tint, shade, and tone of each for added inspiration. Includes HTML/HEX codes.