The hex color #4c9b2c is a dark color. The web-safe version is Hex
#339933. A complementary color is
#B364D3. The grayscale version is
#5C5C5C. A 20% lighter version of the original color is
#7FCE5F, and Hex
#196800 is the 20% darker color. If the color is saturated by 10%, you get
#4AA127. If the color is desaturated by 10%, the color
#4E9531 is obtained.