The hex color #04f39d is a light color. The web-safe version is Hex
#00FF99. A complementary color is
#FB0C62. The grayscale version is
#878787. A 20% lighter version of the original color is
#37FFD0, and Hex
#00C06A is the 20% darker color. If the color is saturated by 10%, you get
#00FE9F. If the color is desaturated by 10%, the color
#11E89B is obtained.