The hex color #a9b50e is a light color. The web-safe version is Hex
#99CC00. A complementary color is
#564AF1. The grayscale version is
#797979. A 20% lighter version of the original color is
#DCE841, and Hex
#768200 is the 20% darker color. If the color is saturated by 10%, you get
#AEBB03. If the color is desaturated by 10%, the color
#A4AF19 is obtained.