The hex color #42634e is a dark color. The web-safe version is Hex
#336666. A complementary color is
#BD9CB1. The grayscale version is
#515151. A 20% lighter version of the original color is
#759681, and Hex
#0F301B is the 20% darker color. If the color is saturated by 10%, you get
#41654E. If the color is desaturated by 10%, the color
#44614E is obtained.