Mountain Vale

Technical Profile

What color is Mountain Vale? It's a medium warm neutral with the hex code #646B8F. Colors similar to Mountain Vale include Kilz Blueberry Sauce, PPG Wild Wisteria, Dunn-Edwards Champion Blue. Comparing swatches side by side is the best way to spot the subtle differences that distinguish these close color relatives. Mountain Vale has a cool (violet) 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. Mountain Vale (#646B8F) by Vista Paint is a medium neutral paint color with a gentle, subdued character. It delivers a versatile mid-tone depth that anchors a room without overwhelming it. On the temperature spectrum this shade leans toward warmth, adding coziness and inviting energy. In its RGB breakdown, blue is the dominant channel, which gives it a subtle cool, atmospheric depth even under different lighting conditions. A Light Reflectance Value of 42 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. For color coordination, Mountain Vale pairs beautifully with yellow tones for bold complementary contrast, or with neighboring purple and blue hues for a harmonious, flowing palette. Its cool (violet) undertone means trim and ceiling whites should lean neutral to avoid a jarring clash. If Vista Paint is unavailable in your area, close cross-brand alternatives exist from Kilz, PPG, Dunn-Edwards and others. In terms of mood and atmosphere, Mountain Vale strikes a cozy, amber-toned balance that feels like late-afternoon light filtering through linen curtains. 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 a wide range of interior design styles. As part of the Vista Paint palette, Mountain Vale benefits from a curated selection of coordinating colors that the brand recommends for trim, accent, and ceiling pairings. As with any paint color, Mountain Vale 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 Mountain Vale (K-81) directly from Vista Paint or through major paint retailers, and we recommend purchasing a peel-and-stick sample to preview it on your wall before buying gallons.