The hex color #d8d145 is a light color. The web-safe version is Hex
#CCCC33. A complementary color is
#272EBA. The grayscale version is
#A5A5A5. A 20% lighter version of the original color is
#FFFF78, and Hex
#A59E12 is the 20% darker color. If the color is saturated by 10%, you get
#DDD53B. If the color is desaturated by 10%, the color
#D3CD4F is obtained.