The hex color #28c47f is a light color. The web-safe version is Hex
#33CC66. A complementary color is
#D73B80. The grayscale version is
#797979. A 20% lighter version of the original color is
#5BF7B2, and Hex
#00914C is the 20% darker color. If the color is saturated by 10%, you get
#20CC80. If the color is desaturated by 10%, the color
#30BD7E is obtained.