Aluminium Sky
A stable and ashy neutral grey

Aluminium Sky is a flat, neutral grey with a distinctively ashy, dusty quality. It lacks warm or cool undertones, providing a stable foundation for minimal UI design. Use #adafaf as a background for high-contrast black typography, as it easily meets accessibility standards. Its understated nature works best as a supporting tone rather than a focal point, grounding brighter colors without competing for attention.
Questions about Aluminium Sky
What is the hex code for Aluminium Sky?
Aluminium Sky is #adafaf. In RGB that is rgb(173, 175, 175), in HSL hsl(180, 1%, 68%) and in CMYK 1%, 0%, 0%, 31%.
How does Aluminium Sky #adafaf perform in UI design?
Aluminium Sky acts as a perfect neutral base that avoids competing with primary brand colors, making it ideal for large interface areas like backgrounds or sidebars. Its balanced, ashy quality ensures that bold typography remains legible and prominent without causing visual fatigue.
Which colors pair well with Aluminium Sky?
Is Aluminium Sky readable on white or black?
Aluminium Sky has a 2.20:1 contrast ratio on white and 9.52:1 on black. WCAG asks for 4.5:1 for body text and 3:1 for large text, so on white it is too faint for text and on black it works for body text. Try other pairs in the contrast checker.