Home / Color / Northern Blue – OS531 Northern Blue – OS531$3.00 2 US fluid oz. Northern Blue - OS531 quantity Add to cart Categories: Color, Non-Fired Tags: blue, blue acrylic stain, blue acrylicstain, dark blue, northern blue Additional information Additional information colors Blue Finish Matt, Opaque Related products Medium Blue – OS457 $3.00 SC12 – Moody Blue Liberty Blue – OS512 $3.00 SC65 – Peri-twinkle