The hex color #75ec0c is a light color. The web-safe version is Hex
#66FF00. A complementary color is
#8A13F3. The grayscale version is
#7A7A7A. A 20% lighter version of the original color is
#A8FF3F, and Hex
#42B900 is the 20% darker color. If the color is saturated by 10%, you get
#75F701. If the color is desaturated by 10%, the color
#75E117 is obtained.