The hex color #16654c is a dark color. The web-safe version is Hex
#006633. A complementary color is
#E99AB3. The grayscale version is
#424242. A 20% lighter version of the original color is
#49987F, and Hex
#003219 is the 20% darker color. If the color is saturated by 10%, you get
#12684D. If the color is desaturated by 10%, the color
#1A624B is obtained.