Mild Blue

Technical Profile

What color is Mild Blue? It's a very light cool neutral with the hex code #CBD5DB. Colors similar to Mild Blue include Behr Siberian Ice, Behr Polar Drift, Benjamin Moore Beacon Gray. Comparing swatches side by side is the best way to spot the subtle differences that distinguish these close color relatives. Mild Blue 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. Mild Blue (#CBD5DB) by Sherwin-Williams is a very light neutral paint color with a gentle, subdued character. 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 83, 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. For color coordination, Mild Blue pairs beautifully with orange tones for bold complementary contrast, or with neighboring blue and teal hues for a harmonious, flowing palette. Its neutral 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 Behr, Benjamin Moore, PPG and others. In terms of mood and atmosphere, Mild Blue 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 a wide range of interior design styles. As part of the Sherwin-Williams palette, Mild Blue benefits from a curated selection of coordinating colors that the brand recommends for trim, accent, and ceiling pairings. High-LRV colors like Mild Blue 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 Mild Blue (6533) 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.