HEX CODES
#AECFE4
#8BBBD9
#8EA2AF
#5E7B8D
#4FC7D4
#00AEC2
#559EA6
#09737F
#58C0C0
#11A6A6
#5A9999
#136E6E
#E4D7D2
#D9C6BF
#AFA7A4
#8D827D
#F5EFEF
#F2E9E9
#BAB6B6
#9D9797

Original image from Matthew Kane

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