The hex color #18c38b is a light color. The web-safe version is Hex
#00CC99. A complementary color is
#E73C74. The grayscale version is
#777777. A 20% lighter version of the original color is
#4BF6BE, and Hex
#009058 is the 20% darker color. If the color is saturated by 10%, you get
#0ECB8D. If the color is desaturated by 10%, the color
#22BB89 is obtained.