The hex color #84fc5c is a light color. The web-safe version is Hex
#99FF66. A complementary color is
#7B03A3. The grayscale version is
#9F9F9F. A 20% lighter version of the original color is
#B7FF8F, and Hex
#51C929 is the 20% darker color. If the color is saturated by 10%, you get
#81FF55. If the color is desaturated by 10%, the color
#87F363 is obtained.