The hex color #4da57d is a light color. The web-safe version is Hex
#669966. A complementary color is
#B25A82. The grayscale version is
#7A7A7A. A 20% lighter version of the original color is
#80D8B0, and Hex
#1A724A is the 20% darker color. If the color is saturated by 10%, you get
#48A97D. If the color is desaturated by 10%, the color
#52A17D is obtained.