The hex color #fedf59 is a light color. The web-safe version is Hex
#FFCC66. A complementary color is
#0120A6. The grayscale version is
#BDBDBD. A 20% lighter version of the original color is
#FFFF8C, and Hex
#CBAC26 is the 20% darker color. If the color is saturated by 10%, you get
#FFE24F. If the color is desaturated by 10%, the color
#F7DC63 is obtained.