The hex color #5a8a5c is a dark color. The web-safe version is Hex
#669966. A complementary color is
#A575A3. The grayscale version is
#6B6B6B. A 20% lighter version of the original color is
#8DBD8F, and Hex
#275729 is the 20% darker color. If the color is saturated by 10%, you get
#588D5B. If the color is desaturated by 10%, the color
#5C875D is obtained.