The hex color #b4febc is a light color. The web-safe version is Hex
#CCFFCC. A complementary color is
#4B0143. The grayscale version is
#CFCFCF. A 20% lighter version of the original color is
#E7FFEF, and Hex
#81CB89 is the 20% darker color. If the color is saturated by 10%, you get
#B1FFBA. If the color is desaturated by 10%, the color
#B7F9BE is obtained.