The hex color #12d95d is a light color. The web-safe version is Hex
#00CC66. A complementary color is
#ED26A2. The grayscale version is
#6D6D6D. A 20% lighter version of the original color is
#45FF90, and Hex
#00A62A is the 20% darker color. If the color is saturated by 10%, you get
#09E45B. If the color is desaturated by 10%, the color
#1BCE5F is obtained.