The hex color #3b7c5c is a dark color. The web-safe version is Hex
#336666. A complementary color is
#C483A3. The grayscale version is
#5C5C5C. A 20% lighter version of the original color is
#6EAF8F, and Hex
#084929 is the 20% darker color. If the color is saturated by 10%, you get
#387F5C. If the color is desaturated by 10%, the color
#3E795C is obtained.