The hex color #419b8f is a dark color. The web-safe version is Hex
#339999. A complementary color is
#BE6470. The grayscale version is
#797979. A 20% lighter version of the original color is
#74CEC2, and Hex
#0E685C is the 20% darker color. If the color is saturated by 10%, you get
#3B9E91. If the color is desaturated by 10%, the color
#47988D is obtained.