The hex color #cfd071 is a light color. The web-safe version is Hex
#CCCC66. A complementary color is
#302F8E. The grayscale version is
#B0B0B0. A 20% lighter version of the original color is
#FFFFA4, and Hex
#9C9D3E is the 20% darker color. If the color is saturated by 10%, you get
#D2D36B. If the color is desaturated by 10%, the color
#CCCD77 is obtained.