The hex color #c4e86b is a light color. The web-safe version is Hex
#CCFF66. A complementary color is
#3B1794. The grayscale version is
#B2B2B2. A 20% lighter version of the original color is
#F7FF9E, and Hex
#91B538 is the 20% darker color. If the color is saturated by 10%, you get
#C6ED64. If the color is desaturated by 10%, the color
#C2E372 is obtained.