The hex color #145b4c is a dark color. The web-safe version is Hex
#006633. A complementary color is
#EBA4B3. The grayscale version is
#3E3E3E. A 20% lighter version of the original color is
#478E7F, and Hex
#002819 is the 20% darker color. If the color is saturated by 10%, you get
#105E4D. If the color is desaturated by 10%, the color
#18584B is obtained.