GMC Dark Atmosphere (Interior) (WA303X) Touch Up Paint

The Look

This isn't a simple, flat gray. Since your GMC Yukon was likely built between 2016 and 2019, you probably recognize this as the sophisticated, earthy charcoal that defined the Denali and Elevation cabins. It was designed to bridge the gap between black and brown, often paired with a secondary "Cocoa" trim to create a rich, two-tone environment. Because your vehicle has likely seen years of daily commutes and cargo hauls, this color is a practical choice for hiding scuffs and scratches. It is a deep, moody shade that maintains its professional look even as the interior ages.

Technical Details

Despite being an interior shade, this is a metallic finish. It contains very fine flakes that catch the light to give the trim depth and a premium texture. The challenge with any metallic is ensuring those flakes lay down evenly. If the paint is applied too heavily in one spot, the metallic particles can cluster, making the repair look darker or blotchy. Because interior surfaces usually have a specific low-gloss sheen, you want to avoid thick layers that might make the area look too shiny compared to the surrounding matte panels.

Best Practices

Before you apply GMC Dark Atmosphere (Interior) (check for code WA303X on the service sticker inside your glove box), you must shake the container for at least a full minute. Those metallic flakes settle quickly, and a poor mix will result in a flat, mismatched color. To ensure the finish is correct, always test the color on the included card first. When you begin the repair, keep the container moving to help the metallic particles distribute naturally across the surface. If you are using a brush or pen, use light dabs rather than long strokes to better mimic the factory texture. For the best results, work in a garage or the shade to keep the drying time consistent.