The hex color #12d1df is a light color. The web-safe version is Hex
#00CCCC. A complementary color is
#ED2E20. The grayscale version is
#969696. A 20% lighter version of the original color is
#45FFFF, and Hex
#009EAC is the 20% darker color. If the color is saturated by 10%, you get
#05D7E6. If the color is desaturated by 10%, the color
#1FCBD8 is obtained.