The hex color #12a19a is a dark color. The web-safe version is Hex
#009999. A complementary color is
#ED5E65. The grayscale version is
#6F6F6F. A 20% lighter version of the original color is
#45D4CD, and Hex
#006E67 is the 20% darker color. If the color is saturated by 10%, you get
#09A69E. If the color is desaturated by 10%, the color
#1B9C96 is obtained.