Hex #1c684c or rgb(28,104,76) in RGB space is the tint of greenish cian. It has hue angle of 157.89 degrees, value = 41 and saturation = 73. #1c684c can be obtained by mixing 4 colors: 1 drop of magenta, 3 drops of blue, 4 drops of green, 1 drop of black.
Nearest safe hex - #336633. Below you can see the block with #1c684c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #1c684c to the mixer and play with it.