The hex color #25a88a is a dark color. The web-safe version is Hex
#339999. A complementary color is
#DA5775. The grayscale version is
#727272. A 20% lighter version of the original color is
#58DBBD, and Hex
#007557 is the 20% darker color. If the color is saturated by 10%, you get
#1DAD8C. If the color is desaturated by 10%, the color
#2DA388 is obtained.