The hex color #155444 is a dark color. The web-safe version is Hex
#006633. A complementary color is
#EAABBB. The grayscale version is
#3A3A3A. A 20% lighter version of the original color is
#488777, and Hex
#002111 is the 20% darker color. If the color is saturated by 10%, you get
#115745. If the color is desaturated by 10%, the color
#195143 is obtained.