The hex color #cfefe9 is a light color. The web-safe version is Hex
#CCFFFF. A complementary color is
#301016. The grayscale version is
#E2E2E2. A 20% lighter version of the original color is
#FFFFFF, and Hex
#9CBCB6 is the 20% darker color. If the color is saturated by 10%, you get
#CDF0EA. If the color is desaturated by 10%, the color
#D1EEE8 is obtained.