#66F3DD
Closest to "aquamarine" · rgb(102, 243, 221)
Color codes
Shades & tints
About #66F3DD
#66F3DD is a color with red 102, green 243 and blue 221 (on a 0–255 scale). In HSL it sits at a hue of 171°, 85% saturation and 68% lightness. For print, its CMYK breakdown is cmyk(58%, 0%, 9%, 5%). 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.