The hex color #64f94c is a light color. The web-safe version is Hex
#66FF33. A complementary color is
#9B06B3. The grayscale version is
#8E8E8E. A 20% lighter version of the original color is
#97FF7F, and Hex
#31C619 is the 20% darker color. If the color is saturated by 10%, you get
#60FF45. If the color is desaturated by 10%, the color
#68EE53 is obtained.