Arranged Rock Pieces - Image colors combination

This "Arranged Rock Pieces" graphic has 4 dominated colors, which include Violin Brown, Dark Silver, Dark Liver and Chinese Black. It makes so beautiful color combination inspired from this image.

Color	Information	Shades
Violin Brown	Name: Violin Brown Hex: 675100 RGB: (103, 81, 0) CMYK: 0, 0.213, 1, 0.596
Dark Silver	Name: Dark Silver Hex: 6c766b RGB: (108, 118, 107) CMYK: 0.084, 0, 0.093, 0.537
Dark Liver	Name: Dark Liver Hex: 51524d RGB: (81, 82, 77) CMYK: 0.012, 0, 0.060, 0.678
Chinese Black	Name: Chinese Black Hex: 141414 RGB: (20, 20, 20) CMYK: 0, 0, 0, 0.921