Plum Island

Technical Profile

What color is Plum Island? It's a deep warm gray with the hex code #463C4E. Colors similar to Plum Island include Benjamin Moore Plum Royale, Vista Paint Midnight Affair, Vista Paint Plum Island. Comparing swatches side by side is the best way to spot the subtle differences that distinguish these close color relatives. Plum Island has a warm (pink) 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. Plum Island (#463C4E) by Hirshfield's is a deep gray paint color with a gentle, subdued character. It delivers a grounded richness that adds drama and sophistication. On the temperature spectrum this shade leans toward warmth, adding coziness and inviting energy. Its RGB channels are closely balanced, contributing to its neutral, even-keeled visual character. At an LRV of 25 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. For color coordination, Plum Island pairs beautifully with green tones for bold complementary contrast, or with neighboring magenta and blue hues for a harmonious, flowing palette. Its warm (pink) undertone means trim and ceiling whites should lean neutral to avoid a jarring clash. If Hirshfield's is unavailable in your area, close cross-brand alternatives exist from Benjamin Moore, Vista Paint, Behr and others. In terms of mood and atmosphere, Plum Island delivers a fireside richness that wraps the room in warmth and groundedness. 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 Hirshfield's palette, Plum Island benefits from a curated selection of coordinating colors that the brand recommends for trim, accent, and ceiling pairings. As with any paint color, Plum Island 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. 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 Plum Island (historic-plum-island) directly from Hirshfield's or through major paint retailers, and we recommend purchasing a peel-and-stick sample to preview it on your wall before buying gallons.