Celtic Gray

Technical Profile

What color is Celtic Gray? It's a very light cool green with the hex code #C8E8D8. Colors similar to Celtic Gray include Benjamin Moore Mountainview, Benjamin Moore Outer Sphere, PPG Jade Spell. Comparing swatches side by side is the best way to spot the subtle differences that distinguish these close color relatives. Celtic Gray 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. Celtic Gray (#C8E8D8) by Behr is a very light green paint color with a balanced saturation that feels natural and approachable. It delivers an airy, open feeling that maximizes the sense of space in any room. On the temperature spectrum this shade carries a cool cast, lending calm and collected elegance. In its RGB breakdown, green is the dominant channel, which gives it a subtle earthy, organic quality even under different lighting conditions. With a Light Reflectance Value of 88, it reflects the vast majority of light, helping smaller rooms feel more spacious. A whisper of green like this is calming in bedrooms, spa-inspired bathrooms, and meditation spaces. An eggshell or matte finish works well at this lightness, hiding minor wall imperfections while still being easy to wipe clean. For color coordination, Celtic Gray pairs beautifully with red tones for bold complementary contrast, or with neighboring teal and green hues for a harmonious, flowing palette. Its neutral undertone means trim and ceiling whites should lean neutral to avoid a jarring clash. If Behr is unavailable in your area, close cross-brand alternatives exist from Benjamin Moore, PPG and others. In terms of mood and atmosphere, Celtic Gray brings a crisp, spa-like tranquility that opens up a room and calms the mind. 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 organic modern, biophilic, and mid-century aesthetics. As part of the Behr palette, Celtic Gray benefits from a curated selection of coordinating colors that the brand recommends for trim, accent, and ceiling pairings. High-LRV colors like Celtic Gray are forgiving in most lighting conditions, but they can pick up reflected color from adjacent walls, flooring, or large furniture pieces, so evaluate samples in situ. Very light shades can sometimes read as stark white on small swatches — viewing a larger area in your intended space reveals the true character of the color. Pair this shade with natural linen, light oak, rattan, and marble for a fresh, layered look, or contrast it with dark walnut and wrought iron for more definition. You can order Celtic Gray (490E-3) directly from Behr or through major paint retailers, and we recommend purchasing a peel-and-stick sample to preview it on your wall before buying gallons.