The hex color #18543c is a dark color. The web-safe version is Hex
#006633. A complementary color is
#E7ABC3. The grayscale version is
#383838. A 20% lighter version of the original color is
#4B876F, and Hex
#002109 is the 20% darker color. If the color is saturated by 10%, you get
#15573C. If the color is desaturated by 10%, the color
#1B513C is obtained.