The hex color #23a85d is a dark color. The web-safe version is Hex
#339966. A complementary color is
#DC57A2. The grayscale version is
#636363. A 20% lighter version of the original color is
#56DB90, and Hex
#00752A is the 20% darker color. If the color is saturated by 10%, you get
#1DAF5C. If the color is desaturated by 10%, the color
#29A15E is obtained.