The hex color #25dccc is a light color. The web-safe version is Hex
#33CCCC. A complementary color is
#DA2333. The grayscale version is
#9A9A9A. A 20% lighter version of the original color is
#58FFFF, and Hex
#00A999 is the 20% darker color. If the color is saturated by 10%, you get
#19E3D1. If the color is desaturated by 10%, the color
#31D5C7 is obtained.