The hex color #4ece1a is a light color. The web-safe version is Hex
#66CC33. A complementary color is
#B131E5. The grayscale version is
#676767. A 20% lighter version of the original color is
#81FF4D, and Hex
#1B9B00 is the 20% darker color. If the color is saturated by 10%, you get
#4BD812. If the color is desaturated by 10%, the color
#51C422 is obtained.