The hex color #25a78f is a dark color. The web-safe version is Hex
#339999. A complementary color is
#DA5870. The grayscale version is
#747474. A 20% lighter version of the original color is
#58DAC2, and Hex
#00745C is the 20% darker color. If the color is saturated by 10%, you get
#1DAC92. If the color is desaturated by 10%, the color
#2DA28C is obtained.