The hex color #616f1c is a dark color. The web-safe version is Hex
#666633. A complementary color is
#9E90E3. The grayscale version is
#4F4F4F. A 20% lighter version of the original color is
#94A24F, and Hex
#2E3C00 is the 20% darker color. If the color is saturated by 10%, you get
#637217. If the color is desaturated by 10%, the color
#5F6C21 is obtained.