Hex #55bb13 or rgb(85,187,19) in RGB space is the tint of olive. It has hue angle of 96.43 degrees, value = 73 and saturation = 90. #55bb13 can be obtained by mixing 3 colors: 3 drops of yellow, 1 drop of blue, 5 drops of green.
Nearest safe hex - #66cc00. Below you can see the block with #55bb13 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55bb13 to the mixer and play with it.