The hex color #c3ec1b is a light color. The web-safe version is Hex
#CCFF33. A complementary color is
#3C13E4. The grayscale version is
#999999. A 20% lighter version of the original color is
#F6FF4E, and Hex
#90B900 is the 20% darker color. If the color is saturated by 10%, you get
#C7F40E. If the color is desaturated by 10%, the color
#BFE428 is obtained.