The hex color #ECE247 is a light color. The web-safe version is Hex
#FFCC33. A complementary color is
#131DB8. The grayscale version is
#B2B2B2. A 20% lighter version of the original color is
#FFFF7A, and Hex
#B9AF14 is the 20% darker color. If the color is saturated by 10%, you get
#F2E73C. If the color is desaturated by 10%, the color
#E6DD52 is obtained.