The hex color #64f23f is a light color. The web-safe version is Hex
#66FF33. A complementary color is
#9B0DC0. The grayscale version is
#878787. A 20% lighter version of the original color is
#97FF72, and Hex
#31BF0C is the 20% darker color. If the color is saturated by 10%, you get
#61FD38. If the color is desaturated by 10%, the color
#68E746 is obtained.