Hex #5d6865 or rgb(93,104,101) in RGB space is the tint of greenish cian. It has hue angle of 163.64 degrees, value = 41 and saturation = 11. #5d6865 can be obtained by mixing 4 colors: 1 drop of yellow, 2 drops of blue, 3 drops of white, 5 drops of black.
Nearest safe hex - #666666. Below you can see the block with #5d6865 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5d6865 to the mixer and play with it.