The hex color #04e8cc is a light color. The web-safe version is Hex
#00FFCC. A complementary color is
#FB1733. The grayscale version is
#939393. A 20% lighter version of the original color is
#37FFFF, and Hex
#00B599 is the 20% darker color. If the color is saturated by 10%, you get
#00F1D2. If the color is desaturated by 10%, the color
#12DFC6 is obtained.