The hex color #19d65d is a light color. The web-safe version is Hex
#00CC66. A complementary color is
#E629A2. The grayscale version is
#6F6F6F. A 20% lighter version of the original color is
#4CFF90, and Hex
#00A32A is the 20% darker color. If the color is saturated by 10%, you get
#10E05B. If the color is desaturated by 10%, the color
#22CC5F is obtained.