The hex color #9ef39f is a light color. The web-safe version is Hex
#99FF99. A complementary color is
#610C60. The grayscale version is
#BBBBBB. A 20% lighter version of the original color is
#D1FFD2, and Hex
#6BC06C is the 20% darker color. If the color is saturated by 10%, you get
#9BF99C. If the color is desaturated by 10%, the color
#A1EDA2 is obtained.