The hex color #34BD38 is a light color. The web-safe version is Hex
#33CC33. A complementary color is
#CB42C7. The grayscale version is
#636363. A 20% lighter version of the original color is
#67F06B, and Hex
#018A05 is the 20% darker color. If the color is saturated by 10%, you get
#2FC634. If the color is desaturated by 10%, the color
#39B43C is obtained.