The hex color #18eb3c is a light color. The web-safe version is Hex
#00FF33. A complementary color is
#E714C3. The grayscale version is
#6A6A6A. A 20% lighter version of the original color is
#4BFF6F, and Hex
#00B809 is the 20% darker color. If the color is saturated by 10%, you get
#10F837. If the color is desaturated by 10%, the color
#20DE41 is obtained.