The hex color #4dd11c is a light color. The web-safe version is Hex
#66CC33. A complementary color is
#B22EE3. The grayscale version is
#696969. A 20% lighter version of the original color is
#80FF4F, and Hex
#1A9E00 is the 20% darker color. If the color is saturated by 10%, you get
#4ADB14. If the color is desaturated by 10%, the color
#50C724 is obtained.