The hex color #7fd33d is a light color. The web-safe version is Hex
#66CC33. A complementary color is
#802CC2. The grayscale version is
#858585. A 20% lighter version of the original color is
#B2FF70, and Hex
#4CA00A is the 20% darker color. If the color is saturated by 10%, you get
#7EDB36. If the color is desaturated by 10%, the color
#80CB44 is obtained.