The hex color #03e89a is a light color. The web-safe version is Hex
#00FF99. A complementary color is
#FC1765. The grayscale version is
#828282. A 20% lighter version of the original color is
#36FFCD, and Hex
#00B567 is the 20% darker color. If the color is saturated by 10%, you get
#00F29C. If the color is desaturated by 10%, the color
#10DE98 is obtained.