The hex color #c3d16b is a light color. The web-safe version is Hex
#CCCC66. A complementary color is
#3C2E94. The grayscale version is
#AAAAAA. A 20% lighter version of the original color is
#F6FF9E, and Hex
#909E38 is the 20% darker color. If the color is saturated by 10%, you get
#C5D565. If the color is desaturated by 10%, the color
#C1CD71 is obtained.