The hex color #ffd865 is a light color. The web-safe version is Hex
#FFCC66. A complementary color is
#00279A. The grayscale version is
#BFBFBF. A 20% lighter version of the original color is
#FFFF98, and Hex
#CCA532 is the 20% darker color. If the color is saturated by 10%, you get
#FFDB5C. If the color is desaturated by 10%, the color
#F9D56E is obtained.