The hex color #40a35e is a dark color. The web-safe version is Hex
#339966. A complementary color is
#BF5CA1. The grayscale version is
#6B6B6B. A 20% lighter version of the original color is
#73D691, and Hex
#0D702B is the 20% darker color. If the color is saturated by 10%, you get
#3CA95D. If the color is desaturated by 10%, the color
#449D5F is obtained.