The hex color #1b521a is a dark color. The web-safe version is Hex
#336633. A complementary color is
#E4ADE5. The grayscale version is
#2D2D2D. A 20% lighter version of the original color is
#4E854D, and Hex
#001F00 is the 20% darker color. If the color is saturated by 10%, you get
#195618. If the color is desaturated by 10%, the color
#1D4E1C is obtained.