Waves on rocks - Image colors combination

This "Waves on rocks" graphic has 6 dominated colors, which include Charleston Green, Rifle Green, Spanish Gray, Diamond, Moonstone Blue and Skobeloff. It makes so beautiful color combination inspired from this image.

Color	Information	Shades
Charleston Green	Name: Charleston Green Hex: 232826 RGB: (35, 40, 38) CMYK: 0.125, 0, 0.05, 0.843
Rifle Green	Name: Rifle Green Hex: 4C493C RGB: (76, 73, 60) CMYK: 0, 0.039, 0.210, 0.701
Spanish Gray	Name: Spanish Gray Hex: 939891 RGB: (147, 152, 145) CMYK: 0.032, 0, 0.046, 0.403
Diamond	Name: Diamond Hex: C4E3FC RGB: (196, 227, 252) CMYK: 0.222, 0.099, 0, 0.011
Moonstone Blue	Name: Moonstone Blue Hex: 6AADBD RGB: (106, 173, 189) CMYK: 0.439, 0.084, 0, 0.258
Skobeloff	Name: Skobeloff Hex: 066A7D RGB: (6, 106, 125) CMYK: 0.952, 0.152, 0, 0.509