The hex color #4c979c is a light color. The web-safe version is Hex
#339999. A complementary color is
#B36863. The grayscale version is
#808080. A 20% lighter version of the original color is
#7FCACF, and Hex
#196469 is the 20% darker color. If the color is saturated by 10%, you get
#47999F. If the color is desaturated by 10%, the color
#519599 is obtained.