The hex color #30b4ab is a light color. The web-safe version is Hex
#33CC99. A complementary color is
#CF4B54. The grayscale version is
#858585. A 20% lighter version of the original color is
#63E7DE, and Hex
#008178 is the 20% darker color. If the color is saturated by 10%, you get
#28B9AF. If the color is desaturated by 10%, the color
#39AFA7 is obtained.