The hex color #3a4b2c is a dark color. The web-safe version is Hex
#333333. A complementary color is
#C5B4D3. The grayscale version is
#3B3B3B. A 20% lighter version of the original color is
#6D7E5F, and Hex
#071800 is the 20% darker color. If the color is saturated by 10%, you get
#3A4D2B. If the color is desaturated by 10%, the color
#3A492E is obtained.