The hex color #40a24b is a dark color. The web-safe version is Hex
#339933. A complementary color is
#BF5DB4. The grayscale version is
#646464. A 20% lighter version of the original color is
#73D57E, and Hex
#0D6F18 is the 20% darker color. If the color is saturated by 10%, you get
#3CA848. If the color is desaturated by 10%, the color
#449C4E is obtained.