Hex #76999d or rgb(118,153,157) in RGB space is the tint of cyan. It has hue angle of 186.15 degrees, value = 62 and saturation = 25. #76999d can be obtained by mixing 4 colors: 1 drop of red, 3 drops of cyan, 5 drops of white, 4 drops of black.
Nearest safe hex - #669999. Below you can see the block with #76999d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #76999d to the mixer and play with it.