The hex color #506a3b is a dark color. The web-safe version is Hex
#666633. A complementary color is
#AF95C4. The grayscale version is
#525252. A 20% lighter version of the original color is
#839D6E, and Hex
#1D3708 is the 20% darker color. If the color is saturated by 10%, you get
#506C39. If the color is desaturated by 10%, the color
#50683D is obtained.