The hex color #25cecc is a light color. The web-safe version is Hex
#33CCCC. A complementary color is
#DA3133. The grayscale version is
#959595. A 20% lighter version of the original color is
#58FFFF, and Hex
#009B99 is the 20% darker color. If the color is saturated by 10%, you get
#1AD4D2. If the color is desaturated by 10%, the color
#30C8C7 is obtained.