The hex color #19e49b is a light color. The web-safe version is Hex
#00CC99. A complementary color is
#E61B64. The grayscale version is
#888888. A 20% lighter version of the original color is
#4CFFCE, and Hex
#00B168 is the 20% darker color. If the color is saturated by 10%, you get
#0EED9D. If the color is desaturated by 10%, the color
#24DB99 is obtained.