The hex color #12d4ea is a light color. The web-safe version is Hex
#00CCFF. A complementary color is
#ED2B15. The grayscale version is
#9B9B9B. A 20% lighter version of the original color is
#45FFFF, and Hex
#00A1B7 is the 20% darker color. If the color is saturated by 10%, you get
#04DAF2. If the color is desaturated by 10%, the color
#20CEE2 is obtained.