The hex color #75b43f is a light color. The web-safe version is Hex
#66CC33. A complementary color is
#8A4BC0. The grayscale version is
#787878. A 20% lighter version of the original color is
#A8E772, and Hex
#42810C is the 20% darker color. If the color is saturated by 10%, you get
#75BA39. If the color is desaturated by 10%, the color
#75AE45 is obtained.