The hex color #749f8a is a light color. The web-safe version is Hex
#669999. A complementary color is
#8B6075. The grayscale version is
#8A8A8A. A 20% lighter version of the original color is
#A7D2BD, and Hex
#416C57 is the 20% darker color. If the color is saturated by 10%, you get
#72A18A. If the color is desaturated by 10%, the color
#769D8A is obtained.