The hex color #b6ecbb is a light color. The web-safe version is Hex
#CCFFCC. A complementary color is
#491344. The grayscale version is
#CACACA. A 20% lighter version of the original color is
#E9FFEE, and Hex
#83B988 is the 20% darker color. If the color is saturated by 10%, you get
#B4EFBA. If the color is desaturated by 10%, the color
#B8E9BC is obtained.