The hex color #1e9b64 is a dark color. The web-safe version is Hex
#339966. A complementary color is
#E1649B. The grayscale version is
#5F5F5F. A 20% lighter version of the original color is
#51CE97, and Hex
#006831 is the 20% darker color. If the color is saturated by 10%, you get
#18A165. If the color is desaturated by 10%, the color
#259564 is obtained.