HEX CODES
#5A5F67
#0C1321
#5B5D63
#0D111A
#B4D7E5
#92C5DA
#92A9B1
#61818E
#E5AD7B
#DA893F
#B18E6E
#8E5C2C
#D38C7E
#C05A43
#A67A71
#7E3E30
#9E6D6D
#742A2A
#856666
#4E2020

Original image from Marc Mueller

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