The hex color #e6f78f is a light color. The web-safe version is Hex
#FFFF99. A complementary color is
#190870. The grayscale version is
#CFCFCF. A 20% lighter version of the original color is
#FFFFC2, and Hex
#B3C45C is the 20% darker color. If the color is saturated by 10%, you get
#E8FB89. If the color is desaturated by 10%, the color
#E4F395 is obtained.