The hex color #12b55f is a dark color. The web-safe version is Hex
#00CC66. A complementary color is
#ED4AA0. The grayscale version is
#626262. A 20% lighter version of the original color is
#45E892, and Hex
#00822C is the 20% darker color. If the color is saturated by 10%, you get
#0ABD5F. If the color is desaturated by 10%, the color
#1AAD5F is obtained.