The hex color #25a37f is a dark color. The web-safe version is Hex
#339966. A complementary color is
#DA5C80. The grayscale version is
#6D6D6D. A 20% lighter version of the original color is
#58D6B2, and Hex
#00704C is the 20% darker color. If the color is saturated by 10%, you get
#1EA881. If the color is desaturated by 10%, the color
#2C9E7D is obtained.