The hex color #f7dd5f is a light color. The web-safe version is Hex
#FFCC66. A complementary color is
#0822A0. The grayscale version is
#BCBCBC. A 20% lighter version of the original color is
#FFFF92, and Hex
#C4AA2C is the 20% darker color. If the color is saturated by 10%, you get
#FDE056. If the color is desaturated by 10%, the color
#F1DA68 is obtained.