The hex color #99a50f is a light color. The web-safe version is Hex
#999900. A complementary color is
#665AF0. The grayscale version is
#6F6F6F. A 20% lighter version of the original color is
#CCD842, and Hex
#667200 is the 20% darker color. If the color is saturated by 10%, you get
#9DAA05. If the color is desaturated by 10%, the color
#95A019 is obtained.