Mr. Hobby Mr. Colour - 391 - Interior Turquoise Green Soviet 10ml Model Paint. Mr.Colour Paints (C-XXX) are Solvent-Based Acrylic Paints. Mr. Colour for Military Aircraft Models. Our popular military colors for aircraft models from color sets can now be purchased individually. C351- C385 are individual colors from color sets. C391- C393 are newly added Russian aircraft colors. C391: turquoise green used for inner body of Soviet aircraft. C392: dull and grayish blue used for inner body of Soviet aircraft. C393: dark reddish and grayish blue used for overcoat of the present Russian craft. THINNING RATIO for Mr. COLOR. BRUSH PAINTING: 1 : 0.8~1.0 (Mr. COLOR : Mr. COLORk)