The hex color #00c5ef is a light color. The web-safe version is Hex
#00CCFF. A complementary color is
#FF3A10. The grayscale version is
#919191. A 20% lighter version of the original color is
#33F8FF, and Hex
#0092BC is the 20% darker color. If the color is saturated by 10%, you get
#00CAF8. If the color is desaturated by 10%, the color
#0FC0E6 is obtained.