The hex color #30b29a is a light color. The web-safe version is Hex
#339999. A complementary color is
#CF4D65. The grayscale version is
#7F7F7F. A 20% lighter version of the original color is
#63E5CD, and Hex
#007F67 is the 20% darker color. If the color is saturated by 10%, you get
#28B79D. If the color is desaturated by 10%, the color
#38AD97 is obtained.