The hex color #00c381 is a light color. The web-safe version is Hex
#00CC99. A complementary color is
#FF3C7E. The grayscale version is
#6C6C6C. A 20% lighter version of the original color is
#33F6B4, and Hex
#00904E is the 20% darker color. If the color is saturated by 10%, you get
#00CC83. If the color is desaturated by 10%, the color
#0BBA7F is obtained.