Hex #55a61c or rgb(85,166,28) in RGB space is the tint of olive. It has hue angle of 95.22 degrees, value = 65 and saturation = 83. #55a61c can be obtained by mixing 4 colors: 3 drops of yellow, 1 drop of cyan, 3 drops of green, 2 drops of black.
Nearest safe hex - #669933. Below you can see the block with #55a61c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55a61c to the mixer and play with it.