The hex color #eff48e is a light color. The web-safe version is Hex
#FFFF99. A complementary color is
#100B71. The grayscale version is
#D0D0D0. A 20% lighter version of the original color is
#FFFFC1, and Hex
#BCC15B is the 20% darker color. If the color is saturated by 10%, you get
#F2F887. If the color is desaturated by 10%, the color
#ECF095 is obtained.