The hex color #d6e64f is a light color. The web-safe version is Hex
#CCFF66. A complementary color is
#2919B0. The grayscale version is
#AEAEAE. A 20% lighter version of the original color is
#FFFF82, and Hex
#A3B31C is the 20% darker color. If the color is saturated by 10%, you get
#DAEC45. If the color is desaturated by 10%, the color
#D2E059 is obtained.