The hex color #e9f46b is a light color. The web-safe version is Hex
#FFFF66. A complementary color is
#160B94. The grayscale version is
#C3C3C3. A 20% lighter version of the original color is
#FFFF9E, and Hex
#B6C138 is the 20% darker color. If the color is saturated by 10%, you get
#EDF962. If the color is desaturated by 10%, the color
#E5EF74 is obtained.