Mountain Pass

Technical Profile

What color is Mountain Pass? It's a deep cool neutral with the hex code #5C6A6A. Colors similar to Mountain Pass include Vista Paint Wrapped in Twilight, Hirshfield's Spacebox, Vista Paint Spacebox. Comparing swatches side by side is the best way to spot the subtle differences that distinguish these close color relatives. Mountain Pass has a cool (green) 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 Pass (#5C6A6A) by Sherwin-Williams is a deep neutral paint color with a understated, nearly neutral quality. It delivers a grounded richness that adds drama and sophistication. On the temperature spectrum this shade carries a cool cast, lending calm and collected elegance. Its RGB channels are closely balanced, contributing to its neutral, even-keeled visual character. At an LRV of 14 it absorbs more light than it reflects, creating a moody, enveloping atmosphere. Deep neutrals like this create contrast and gravitas on accent walls, exterior facades, and kitchen cabinetry, pairing well with lighter trim. Satin or semi-gloss finishes help deep colors reflect just enough light to show their full depth, especially on accent walls and trim. The cool cast of Mountain Pass pairs well with crisp whites, silvery grays, and blue-toned accents for a sleek, modern palette. Its cool (green) undertone means trim and ceiling whites should lean neutral to avoid a jarring clash. If Sherwin-Williams is unavailable in your area, close cross-brand alternatives exist from Vista Paint, Hirshfield's, Benjamin Moore and others. In terms of mood and atmosphere, Mountain Pass projects a confident, tailored sophistication associated with classic nautical and Art Deco aesthetics. 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 Sherwin-Williams palette, Mountain Pass benefits from a curated selection of coordinating colors that the brand recommends for trim, accent, and ceiling pairings. Because Mountain Pass has a low LRV, it can look dramatically different under incandescent versus daylight bulbs — always test a large swatch on the actual wall before committing. Deep shades generally benefit from a quality primer and may require an extra coat for even, streak-free coverage. Deep tones pair beautifully with velvet upholstery, burnished metal fixtures, dark-stained wood, and textured wallcoverings on adjacent surfaces. You can order Mountain Pass (9655) directly from Sherwin-Williams or through major paint retailers, and we recommend purchasing a peel-and-stick sample to preview it on your wall before buying gallons.