The hex color #ee372f is a dark color. The web-safe version is Hex
#FF3333. A complementary color is
#11C8D0. The grayscale version is
#717171. A 20% lighter version of the original color is
#FF6A62, and Hex
#BB0400 is the 20% darker color. If the color is saturated by 10%, you get
#FA3128. If the color is desaturated by 10%, the color
#E23D36 is obtained.