The hex color #cfd358 is a light color. The web-safe version is Hex
#CCCC66. A complementary color is
#302CA7. The grayscale version is
#A9A9A9. A 20% lighter version of the original color is
#FFFF8B, and Hex
#9CA025 is the 20% darker color. If the color is saturated by 10%, you get
#D3D750. If the color is desaturated by 10%, the color
#CBCF60 is obtained.