The hex color #54d12e is a light color. The web-safe version is Hex
#66CC33. A complementary color is
#AB2ED1. The grayscale version is
#717171. A 20% lighter version of the original color is
#87FF61, and Hex
#219E00 is the 20% darker color. If the color is saturated by 10%, you get
#51DB27. If the color is desaturated by 10%, the color
#57C735 is obtained.