The hex color #a3a019 is a light color. The web-safe version is Hex
#999900. A complementary color is
#5C5FE6. The grayscale version is
#747474. A 20% lighter version of the original color is
#D6D34C, and Hex
#706D00 is the 20% darker color. If the color is saturated by 10%, you get
#A8A410. If the color is desaturated by 10%, the color
#9E9C22 is obtained.