The hex color #cdda57 is a light color. The web-safe version is Hex
#CCCC66. A complementary color is
#3225A8. The grayscale version is
#AAAAAA. A 20% lighter version of the original color is
#FFFF8A, and Hex
#9AA724 is the 20% darker color. If the color is saturated by 10%, you get
#D1DF4F. If the color is desaturated by 10%, the color
#CAD55F is obtained.