The hex color #178c0c is a dark color. The web-safe version is Hex
#009900. A complementary color is
#E873F3. The grayscale version is
#3A3A3A. A 20% lighter version of the original color is
#4ABF3F, and Hex
#005900 is the 20% darker color. If the color is saturated by 10%, you get
#139407. If the color is desaturated by 10%, the color
#1B8411 is obtained.