The hex color #19e7dd is a light color. The web-safe version is Hex
#00FFCC. A complementary color is
#E61822. The grayscale version is
#9F9F9F. A 20% lighter version of the original color is
#4CFFFF, and Hex
#00B4AA is the 20% darker color. If the color is saturated by 10%, you get
#0CEEE3. If the color is desaturated by 10%, the color
#26E0D7 is obtained.