The hex color #1b945d is a dark color. The web-safe version is Hex
#339966. A complementary color is
#E46BA2. The grayscale version is
#595959. A 20% lighter version of the original color is
#4EC790, and Hex
#00612A is the 20% darker color. If the color is saturated by 10%, you get
#159A5D. If the color is desaturated by 10%, the color
#218E5D is obtained.