The hex color #d1dffd is a light color. The web-safe version is Hex
#CCCCFF. A complementary color is
#2E2002. The grayscale version is
#E4E4E4. A 20% lighter version of the original color is
#FFFFFF, and Hex
#9EACCA is the 20% darker color. If the color is saturated by 10%, you get
#CFDEFF. If the color is desaturated by 10%, the color
#D3E0FB is obtained.