The hex color #155e43 is a dark color. The web-safe version is Hex
#006633. A complementary color is
#EAA1BC. The grayscale version is
#3D3D3D. A 20% lighter version of the original color is
#489176, and Hex
#002B10 is the 20% darker color. If the color is saturated by 10%, you get
#116144. If the color is desaturated by 10%, the color
#195B42 is obtained.