The hex color #03e11b is a light color. The web-safe version is Hex
#00CC33. A complementary color is
#FC1EE4. The grayscale version is
#555555. A 20% lighter version of the original color is
#36FF4E, and Hex
#00AE00 is the 20% darker color. If the color is saturated by 10%, you get
#00EF15. If the color is desaturated by 10%, the color
#0BD321 is obtained.