The hex color #04d0c9 is a light color. The web-safe version is Hex
#00CCCC. A complementary color is
#FB2F36. The grayscale version is
#8A8A8A. A 20% lighter version of the original color is
#37FFFC, and Hex
#009D96 is the 20% darker color. If the color is saturated by 10%, you get
#00D7CF. If the color is desaturated by 10%, the color
#11C9C3 is obtained.