The hex color #349f6c is a dark color. The web-safe version is Hex
#339966. A complementary color is
#CB6093. The grayscale version is
#6A6A6A. A 20% lighter version of the original color is
#67D29F, and Hex
#016C39 is the 20% darker color. If the color is saturated by 10%, you get
#2FA46C. If the color is desaturated by 10%, the color
#399A6C is obtained.