The main difference between Smoke and Ash is brightness and saturation: both are gray shades, but Ash is lighter. Smoke and Ash are often confused but have distinct differences in hue, saturation, and tone. Smoke (#738276) and Ash (#B2BEB5) each suit different design contexts — understanding their differences helps you choose the right color for your project.
Four real design scenarios, with the recommended pick based on hue, saturation, and WCAG contrast.
Ash is more saturated (8% HSL vs 6%) so it reads as bolder and more memorable at logo scale, while Smoke can feel washed out when printed small.
Smoke hits a 4.05:1 WCAG contrast against white — safer for text-heavy interfaces — where Ash only reaches 1.92:1 and risks failing AA at small body sizes.
Ash is a cool-leaning tone that flatters spring/summer collections and warmer skin undertones, while Smoke leans cooler and is better suited to autumn/winter layering.
Smoke is the more muted of the two (6% saturation) and sits more calmly on large wall surfaces, while Ash's higher chroma can overwhelm a room when used beyond accent pieces.
Smoke (#738276) is a medium, near-neutral gray with a neutral undertone — it feels balanced, versatile and desaturated and restrained.
Ash (#B2BEB5) is a light, near-neutral gray with a neutral undertone — it feels airy, soft, approachable and desaturated and restrained.
Text legibility depends on the contrast ratio between foreground and background. WCAG 2.1 AA requires at least 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Use these numbers to choose accessible combinations for your design.