The hex color #D4ECE8 is a light color. The web-safe version is Hex
#CCFFFF. A complementary color is
#2B1317. The grayscale version is
#E3E3E3. A 20% lighter version of the original color is
#FFFFFF, and Hex
#A1B9B5 is the 20% darker color. If the color is saturated by 10%, you get
#D3EDE9. If the color is desaturated by 10%, the color
#D5EBE7 is obtained.