The hex color #FFFF2D is a light color. The web-safe version is Hex
#FFFF33. A complementary color is
#0000D2. The grayscale version is
#B9B9B9. A 20% lighter version of the original color is
#FFFF60, and Hex
#CCCC00 is the 20% darker color. If the color is saturated by 10%, you get
#FFFF1F. If the color is desaturated by 10%, the color
#F8F83B is obtained.