The hex color #30a89a is a light color. The web-safe version is Hex
#339999. A complementary color is
#CF5765. The grayscale version is
#7B7B7B. A 20% lighter version of the original color is
#63DBCD, and Hex
#007567 is the 20% darker color. If the color is saturated by 10%, you get
#28AC9D. If the color is desaturated by 10%, the color
#38A497 is obtained.