Concrete Gray
The unadorned natural color of cement, a declaration of rough, authentic industrial aesthetics.
#81847Frgb(129, 132, 127)hsl(96, 2%, 51%)hsv(96, 4%, 52%)cmyk(2%, 0%, 4%, 48%)#81847FFFrgba(129, 132, 127, 1)hsla(96, 2%, 51%, 1)oklch(80%, 0.005, 132)lch(76.9%, 8.6, 202)🎨 Color Palettes
♿ WCAG Contrast Colors
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💡 Use Cases
Fair-Faced Concrete
Tadao Ando-style architectural walls, interpreting Zen spatial aesthetics with an extremely smooth gray surface.
Productivity Tools
The sidebar background color of efficiency software like Notion and Linear, creating a focused work atmosphere.
Industrial-Style Homes
Exposed concrete ceilings and walls, paired with metal and leather furniture to create a rugged yet cozy dwelling.
Planters & Vessels
Concrete Gray flower pots paired with succulents, where the rough texture forms a poetic contrast with vibrant life.
📜 Origin & History
The history of Concrete Gray can be traced back to ancient Rome. The dome of the Pantheon was cast from Roman concrete, its unadorned gray surface still intact after two thousand years, proving the natural connection between Concrete Gray and eternal architecture.
The birth of modern concrete is credited to Joseph Aspdin, an Englishman who invented Portland cement in 1824. This gray powder, ground after being sintered at high temperatures, hardened when mixed with water; its standard gray tone became the visual hallmark of the Industrial Revolution's architectural wave.
In the 1950s, Japanese architect Tadao Ando elevated Concrete Gray into an artistic language. His designs for the Azuma House and the Church of the Light challenged traditional aesthetics with extremely smooth, fair-faced concrete gray walls, imbuing the rough industrial material with a Zen-like quality.
In contemporary UI design, Concrete Gray is widely used for the interface color schemes of productivity tools. Applications like Notion and Linear use Concrete Gray as their sidebar background color, creating a focused yet warm working atmosphere.