The hex color #e3ee1f is a light color. The web-safe version is Hex
#CCFF33. A complementary color is
#1C11E0. The grayscale version is
#A5A5A5. A 20% lighter version of the original color is
#FFFF52, and Hex
#B0BB00 is the 20% darker color. If the color is saturated by 10%, you get
#E9F512. If the color is desaturated by 10%, the color
#DDE72C is obtained.