The hex color #30864c is a dark color. The web-safe version is Hex
#339933. A complementary color is
#CF79B3. The grayscale version is
#565656. A 20% lighter version of the original color is
#63B97F, and Hex
#005319 is the 20% darker color. If the color is saturated by 10%, you get
#2C8B4B. If the color is desaturated by 10%, the color
#34814D is obtained.