The hex color #e3e1e1 is a light color. The web-safe version is Hex
#CCCCCC. A complementary color is
#1C1E1E. The grayscale version is
#E2E2E2. A 20% lighter version of the original color is
#FFFFFF, and Hex
#B0AEAE is the 20% darker color. If the color is saturated by 10%, you get
#E3E1E1. If the color is desaturated by 10%, the color
#E3E1E1 is obtained.