The hex color #c5d16a is a light color. The web-safe version is Hex
#CCCC66. A complementary color is
#3A2E95. The grayscale version is
#ABABAB. A 20% lighter version of the original color is
#F8FF9D, and Hex
#929E37 is the 20% darker color. If the color is saturated by 10%, you get
#C8D564. If the color is desaturated by 10%, the color
#C2CD70 is obtained.