The hex color #C4D6D4 is a light color. The web-safe version is Hex
#CCCCCC. A complementary color is
#3B292B. The grayscale version is
#CFCFCF. A 20% lighter version of the original color is
#F7FFFF, and Hex
#91A3A1 is the 20% darker color. If the color is saturated by 10%, you get
#C3D7D4. If the color is desaturated by 10%, the color
#C5D5D4 is obtained.