The hex color #e7f42f is a light color. The web-safe version is Hex
#FFFF33. A complementary color is
#180BD0. The grayscale version is
#AEAEAE. A 20% lighter version of the original color is
#FFFF62, and Hex
#B4C100 is the 20% darker color. If the color is saturated by 10%, you get
#EDFB22. If the color is desaturated by 10%, the color
#E1ED3C is obtained.