The hex color #34765c is a dark color. The web-safe version is Hex
#336666. A complementary color is
#CB89A3. The grayscale version is
#575757. A 20% lighter version of the original color is
#67A98F, and Hex
#014329 is the 20% darker color. If the color is saturated by 10%, you get
#30795C. If the color is desaturated by 10%, the color
#38735C is obtained.