The hex color #20452c is a dark color. The web-safe version is Hex
#333333. A complementary color is
#DFBAD3. The grayscale version is
#303030. A 20% lighter version of the original color is
#53785F, and Hex
#001200 is the 20% darker color. If the color is saturated by 10%, you get
#1E472C. If the color is desaturated by 10%, the color
#22432C is obtained.