The hex color #f4c9d1 is a light color. The web-safe version is Hex
#FFCCCC. A complementary color is
#0B362E. The grayscale version is
#DADADA. A 20% lighter version of the original color is
#FFFCFF, and Hex
#C1969E is the 20% darker color. If the color is saturated by 10%, you get
#F7C7D0. If the color is desaturated by 10%, the color
#F1CBD2 is obtained.