The hex color #15ef2c is a light color. The web-safe version is Hex
#00FF33. A complementary color is
#EA10D3. The grayscale version is
#656565. A 20% lighter version of the original color is
#48FF5F, and Hex
#00BC00 is the 20% darker color. If the color is saturated by 10%, you get
#0DFD26. If the color is desaturated by 10%, the color
#1DE132 is obtained.