Cool Fog

Technical Profile

What color is Cool Fog? It's a very light cool gray with the hex code #D4D8D4. Colors similar to Cool Fog include Benjamin Moore Alaskan Husky, Behr Curio, Valspar "Calm, Cool and Collected". Comparing swatches side by side is the best way to spot the subtle differences that distinguish these close color relatives. Cool Fog 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. Cool Fog (#D4D8D4) by Kilz is a very light gray paint color with a understated, nearly neutral quality. 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. Its RGB channels are closely balanced, contributing to its neutral, even-keeled visual character. With a Light Reflectance Value of 84, it reflects the vast majority of light, helping smaller rooms feel more spacious. As a near-white neutral, this shade is one of the most versatile wall colors available — ideal for ceilings, trim, open floor plans, and any room where you want maximum light and a clean canvas for furnishings. An eggshell or matte finish works well at this lightness, hiding minor wall imperfections while still being easy to wipe clean. The cool cast of Cool Fog 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 Kilz is unavailable in your area, close cross-brand alternatives exist from Benjamin Moore, Behr, Valspar and others. In terms of mood and atmosphere, Cool Fog 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 virtually every design style from minimalist Japandi to rustic farmhouse to sleek contemporary. As part of the Kilz palette, Cool Fog benefits from a curated selection of coordinating colors that the brand recommends for trim, accent, and ceiling pairings. High-LRV colors like Cool Fog 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 Cool Fog (TB-61) directly from Kilz or through major paint retailers, and we recommend purchasing a peel-and-stick sample to preview it on your wall before buying gallons.