The hex color #cfddb0 is a light color. The web-safe version is Hex
#CCCC99. A complementary color is
#30224F. The grayscale version is
#C9C9C9. A 20% lighter version of the original color is
#FFFFE3, and Hex
#9CAA7D is the 20% darker color. If the color is saturated by 10%, you get
#D0DFAD. If the color is desaturated by 10%, the color
#CEDBB3 is obtained.