The hex color #1F614A is a dark color. The web-safe version is Hex
#336633. A complementary color is
#E09EB5. The grayscale version is
#434343. A 20% lighter version of the original color is
#52947D, and Hex
#002E17 is the 20% darker color. If the color is saturated by 10%, you get
#1B644B. If the color is desaturated by 10%, the color
#235E49 is obtained.