#639C78
Closest to "slategray" · rgb(99, 156, 120)
Color codes
Shades & tints
About #639C78
#639C78 is a color with red 99, green 156 and blue 120 (on a 0–255 scale). In HSL it sits at a hue of 142°, 22% saturation and 50% lightness. For print, its CMYK breakdown is cmyk(37%, 0%, 23%, 39%). The closest named CSS color is slategray. Use the swatches above to step through lighter tints and darker shades — each opens its own page with full codes you can copy in one click.