The hex color #1FEE61 is a light color. The web-safe version is Hex
#33FF66. A complementary color is
#E0119E. The grayscale version is
#7A7A7A. A 20% lighter version of the original color is
#52FF94, and Hex
#00BB2E is the 20% darker color. If the color is saturated by 10%, you get
#16FA5F. If the color is desaturated by 10%, the color
#28E264 is obtained.