The hex color #fffd2f is a light color. The web-safe version is Hex
#FFFF33. A complementary color is
#0002D0. The grayscale version is
#B9B9B9. A 20% lighter version of the original color is
#FFFF62, and Hex
#CCCA00 is the 20% darker color. If the color is saturated by 10%, you get
#FFFF21. If the color is desaturated by 10%, the color
#F8F63D is obtained.