The hex color #127f6c is a dark color. The web-safe version is Hex
#006666. A complementary color is
#ED8093. The grayscale version is
#545454. A 20% lighter version of the original color is
#45B29F, and Hex
#004C39 is the 20% darker color. If the color is saturated by 10%, you get
#0B836E. If the color is desaturated by 10%, the color
#197B6A is obtained.