The hex color #15c56c is a light color. The web-safe version is Hex
#00CC66. A complementary color is
#EA3A93. The grayscale version is
#6D6D6D. A 20% lighter version of the original color is
#48F89F, and Hex
#009239 is the 20% darker color. If the color is saturated by 10%, you get
#0CCE6C. If the color is desaturated by 10%, the color
#1EBC6C is obtained.