Neptunian Grey

Technical Profile

What color is Neptunian Grey? It's a medium neutral gray with the hex code #6A6869. Colors similar to Neptunian Grey include Benjamin Moore Overcoat, Benjamin Moore Arctic Seal, Kilz Graphic Gray. Comparing swatches side by side is the best way to spot the subtle differences that distinguish these close color relatives. Neptunian Grey has a neutral undertone, which affects how it pairs with trim, flooring, and adjacent wall colors. Understanding a color's undertone is key to avoiding combinations that clash — it often matters more than the surface color itself. Neptunian Grey (#6A6869) by MPC is a medium gray paint color with a understated, nearly neutral quality. It delivers a versatile mid-tone depth that anchors a room without overwhelming it. On the temperature spectrum this shade stays balanced between warm and cool, making it exceptionally versatile. Its RGB channels are closely balanced, contributing to its neutral, even-keeled visual character. A Light Reflectance Value of 41 gives it moderate light reflection, striking a balance between brightness and depth. A mid-tone neutral at this depth adds sophisticated warmth or coolness to living rooms, bedrooms, and transitional hallways, grounding the space without closing it in. A satin or eggshell finish brings out the richness at this depth, and the slight sheen makes walls easier to maintain. As a balanced neutral, Neptunian Grey coordinates with virtually any accent color — from warm golds and blush to cool blues and greens. Its neutral undertone means trim and ceiling whites should lean neutral to avoid a jarring clash. If MPC is unavailable in your area, close cross-brand alternatives exist from Benjamin Moore, Kilz, Dunn-Edwards and others. In terms of mood and atmosphere, Neptunian Grey provides a grounded, organic warmth that feels simultaneously modern and timeless. Designers often reach for shades like this when the goal is to shape how a room feels, not just how it looks. This shade is a natural fit for virtually every design style from minimalist Japandi to rustic farmhouse to sleek contemporary. As part of the MPC palette, Neptunian Grey benefits from a curated selection of coordinating colors that the brand recommends for trim, accent, and ceiling pairings. As with any paint color, Neptunian Grey can shift noticeably between natural daylight, warm incandescent, and cool LED lighting — testing a sample swatch on your wall under different conditions is always recommended. Mid-tone shades like this look best when balanced with a mix of textures — think leather seating, brushed brass hardware, woven wool, and raw-edge wood. You can order Neptunian Grey (MP13915) directly from MPC or through major paint retailers, and we recommend purchasing a peel-and-stick sample to preview it on your wall before buying gallons.