The Army Painter Color Primer, Matt White, 400ml, 13.5oz - Acrylic Spray Undercoat for Miniature Painting Review (2026)

What this spray does

This is The Army Painter's Colour Primer in Matt White, sold in a 400ml (13.5oz) aerosol can as part of the brand's Colour Primer range, which is designed to combine priming and a base color coat in a single spraying step. Army Painter states this line is available across a wide set of colors that are matched to the same-named color in its Warpaint acrylic paint range, so a painter can prime in a tone and later touch up chips or chosen highlights using the matching brush-on paint. Like the rest of the range, it uses a very fine pigment aimed at strong coverage without hiding sculpted detail.

Why white as a base

A white base coat is generally chosen by painters working with bright, light, or pastel color schemes, since covering white with a saturated light color like yellow or sky blue takes far fewer layers than covering a black or grey primer with the same color. This makes white primer useful for models with a lot of light armor, robes, or banners, where a dark undercoat would otherwise need several extra coats of the top color to fully cancel out. The trade-off is that white does not provide the automatic in-recess shading that a black or grey primer gives for free, so painters relying on white typically plan to add shading with washes afterward.

Application and drying

As an aerosol spray, Army Painter recommends applying it in multiple thin coats from roughly 15 to 20 centimeters away rather than one heavy pass, letting each layer dry before the next to avoid pooling in recesses or obscuring fine sculpted detail. The formula is fast-drying, which lets a painter move through several light coats in one sitting rather than waiting long stretches between passes. Because it is an aerosol product, it should be used in a well-ventilated space and stored at room temperature, standard precautions that apply to most spray primers rather than something unique to this can.

Where a white base shows its limits

The same brightness that makes white primer useful for light color schemes also makes it far less forgiving of surface flaws: visible mold lines, sink marks, or small gaps between parts stand out clearly under white in a way they simply do not under a black or grey base. Painters priming with white need to do more careful surface prep beforehand, since flaws that a dark primer would visually mask will need to be cleaned up before spraying rather than hidden by the primer color afterward. This makes white a better fit for well-prepped, cleanly assembled models than for kits with rough seams still visible.

Bottom line

This is a practical choice for painters planning predominantly bright or light color schemes who want to skip several base coat layers by starting from a white undercoat that matches Army Painter's Warpaint line for later touch-ups. It rewards careful surface prep beforehand, since mold lines and small flaws are more visible under white than under darker primers, and it does not provide the built-in recess shading that a black or grey primer gives for free. For light armies, banners, or pastel schemes, it is a time-saving starting point; for dark or heavily weathered schemes, a different base color will likely serve better.

Frequently asked questions