The hex color #13e28d is a light color. The web-safe version is Hex
#00CC99. A complementary color is
#EC1D72. The grayscale version is
#818181. A 20% lighter version of the original color is
#46FFC0, and Hex
#00AF5A is the 20% darker color. If the color is saturated by 10%, you get
#08EC8E. If the color is desaturated by 10%, the color
#1ED88C is obtained.