The hex color #04e09a is a light color. The web-safe version is Hex
#00CC99. A complementary color is
#FB1F65. The grayscale version is
#7F7F7F. A 20% lighter version of the original color is
#37FFCD, and Hex
#00AD67 is the 20% darker color. If the color is saturated by 10%, you get
#00EA9D. If the color is desaturated by 10%, the color
#10D697 is obtained.