The hex color #00491c is a dark color. The web-safe version is Hex
#003333. A complementary color is
#FFB6E3. The grayscale version is
#222222. A 20% lighter version of the original color is
#337C4F, and Hex
#001600 is the 20% darker color. If the color is saturated by 10%, you get
#004D1B. If the color is desaturated by 10%, the color
#03451D is obtained.