The hex color #13938c is a dark color. The web-safe version is Hex
#009999. A complementary color is
#EC6C73. The grayscale version is
#666666. A 20% lighter version of the original color is
#46C6BF, and Hex
#006059 is the 20% darker color. If the color is saturated by 10%, you get
#0B9890. If the color is desaturated by 10%, the color
#1B8F88 is obtained.