The hex color #c5d23a is a light color. The web-safe version is Hex
#CCCC33. A complementary color is
#3A2DC5. The grayscale version is
#9B9B9B. A 20% lighter version of the original color is
#F8FF6D, and Hex
#929F07 is the 20% darker color. If the color is saturated by 10%, you get
#C9D830. If the color is desaturated by 10%, the color
#C1CD44 is obtained.