The hex color #d9f164 is a light color. The web-safe version is Hex
#CCFF66. A complementary color is
#260E9B. The grayscale version is
#BABABA. A 20% lighter version of the original color is
#FFFF97, and Hex
#A6BE31 is the 20% darker color. If the color is saturated by 10%, you get
#DCF75B. If the color is desaturated by 10%, the color
#D6EC6D is obtained.