The hex color #e7d23e is a light color. The web-safe version is Hex
#FFCC33. A complementary color is
#182DC1. The grayscale version is
#A8A8A8. A 20% lighter version of the original color is
#FFFF71, and Hex
#B49F0B is the 20% darker color. If the color is saturated by 10%, you get
#EDD633. If the color is desaturated by 10%, the color
#E1CE49 is obtained.