The hex color #b6e16b is a light color. The web-safe version is Hex
#CCCC66. A complementary color is
#491E94. The grayscale version is
#ABABAB. A 20% lighter version of the original color is
#E9FF9E, and Hex
#83AE38 is the 20% darker color. If the color is saturated by 10%, you get
#B7E665. If the color is desaturated by 10%, the color
#B5DC71 is obtained.