Hex #627969 or rgb(98,121,105) in RGB space is the tint of bluish green. It has hue angle of 138.26 degrees, value = 47 and saturation = 19. #627969 can be obtained by mixing 4 colors: 3 drops of yellow, 5 drops of blue, 2 drops of white, 3 drops of black.
Nearest safe hex - #666666. Below you can see the block with #627969 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #627969 to the mixer and play with it.