The hex color #EFADE5 is a light color. The web-safe version is Hex
#FF99CC. A complementary color is
#10521A. The grayscale version is
#D6D6D6. A 20% lighter version of the original color is
#FFE0FF, and Hex
#BC7AB2 is the 20% darker color. If the color is saturated by 10%, you get
#F2A9E7. If the color is desaturated by 10%, the color
#ECB1E3 is obtained.