The hex color #1a771c is a dark color. The web-safe version is Hex
#336633. A complementary color is
#E588E3. The grayscale version is
#3A3A3A. A 20% lighter version of the original color is
#4DAA4F, and Hex
#004400 is the 20% darker color. If the color is saturated by 10%, you get
#177D19. If the color is desaturated by 10%, the color
#1D711F is obtained.