The hex color #ecf77e is a light color. The web-safe version is Hex
#FFFF66. A complementary color is
#130881. The grayscale version is
#CBCBCB. A 20% lighter version of the original color is
#FFFFB1, and Hex
#B9C44B is the 20% darker color. If the color is saturated by 10%, you get
#EFFB76. If the color is desaturated by 10%, the color
#E9F386 is obtained.