The hex color #12e270 is a light color. The web-safe version is Hex
#00CC66. A complementary color is
#ED1D8F. The grayscale version is
#777777. A 20% lighter version of the original color is
#45FFA3, and Hex
#00AF3D is the 20% darker color. If the color is saturated by 10%, you get
#08ED6F. If the color is desaturated by 10%, the color
#1CD771 is obtained.