The hex color #30a55f is a dark color. The web-safe version is Hex
#339966. A complementary color is
#CF5AA0. The grayscale version is
#676767. A 20% lighter version of the original color is
#63D892, and Hex
#00722C is the 20% darker color. If the color is saturated by 10%, you get
#2BAB5E. If the color is desaturated by 10%, the color
#359F60 is obtained.