The hex color #1d6f75 is a dark color. The web-safe version is Hex
#336666. A complementary color is
#E2908A. The grayscale version is
#565656. A 20% lighter version of the original color is
#50A2A8, and Hex
#003C42 is the 20% darker color. If the color is saturated by 10%, you get
#177278. If the color is desaturated by 10%, the color
#236C72 is obtained.