The hex color #03e77a is a light color. The web-safe version is Hex
#00FF66. A complementary color is
#FC1885. The grayscale version is
#777777. A 20% lighter version of the original color is
#36FFAD, and Hex
#00B447 is the 20% darker color. If the color is saturated by 10%, you get
#00F27A. If the color is desaturated by 10%, the color
#0FDC7A is obtained.