The hex color #12c98f is a light color. The web-safe version is Hex
#00CC99. A complementary color is
#ED3670. The grayscale version is
#797979. A 20% lighter version of the original color is
#45FCC2, and Hex
#00965C is the 20% darker color. If the color is saturated by 10%, you get
#08D191. If the color is desaturated by 10%, the color
#1CC18D is obtained.