The hex color #30e88a is a light color. The web-safe version is Hex
#33FF99. A complementary color is
#CF1775. The grayscale version is
#8B8B8B. A 20% lighter version of the original color is
#63FFBD, and Hex
#00B557 is the 20% darker color. If the color is saturated by 10%, you get
#27F18A. If the color is desaturated by 10%, the color
#39DF8A is obtained.