The hex color #c7d91a is a light color. The web-safe version is Hex
#CCCC33. A complementary color is
#3826E5. The grayscale version is
#939393. A 20% lighter version of the original color is
#FAFF4D, and Hex
#94A600 is the 20% darker color. If the color is saturated by 10%, you get
#CCE00E. If the color is desaturated by 10%, the color
#C2D226 is obtained.