The hex color #15bf8b is a light color. The web-safe version is Hex
#00CC99. A complementary color is
#EA4074. The grayscale version is
#757575. A 20% lighter version of the original color is
#48F2BE, and Hex
#008C58 is the 20% darker color. If the color is saturated by 10%, you get
#0BC68D. If the color is desaturated by 10%, the color
#1FB889 is obtained.