The hex color #ec543d is a dark color. The web-safe version is Hex
#FF6633. A complementary color is
#13ABC2. The grayscale version is
#7F7F7F. A 20% lighter version of the original color is
#FF8770, and Hex
#B9210A is the 20% darker color. If the color is saturated by 10%, you get
#F75036. If the color is desaturated by 10%, the color
#E15844 is obtained.