The hex color #019f4c is a dark color. The web-safe version is Hex
#009933. A complementary color is
#FE60B3. The grayscale version is
#4F4F4F. A 20% lighter version of the original color is
#34D27F, and Hex
#006C19 is the 20% darker color. If the color is saturated by 10%, you get
#00A74C. If the color is desaturated by 10%, the color
#09974C is obtained.