The hex color #28f2ba is a light color. The web-safe version is Hex
#33FFCC. A complementary color is
#D70D45. The grayscale version is
#9C9C9C. A 20% lighter version of the original color is
#5BFFED, and Hex
#00BF87 is the 20% darker color. If the color is saturated by 10%, you get
#1CFBBD. If the color is desaturated by 10%, the color
#34E9B7 is obtained.