#66E5DD
Closest to "aquamarine" · rgb(102, 229, 221)
Color codes
Shades & tints
About #66E5DD
#66E5DD is a color with red 102, green 229 and blue 221 (on a 0–255 scale). In HSL it sits at a hue of 176°, 71% saturation and 65% lightness. For print, its CMYK breakdown is cmyk(55%, 0%, 3%, 10%). The closest named CSS color is aquamarine. 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.