Tile Dark sets the weight of the palette in authority and restraint, and Windows Blue is the swatch that breaks rank: a single blue that stops the set reading as one note. Tile Dark to Light Surface spans 85 points of lightness, so the palette can carry its own hierarchy without reaching for a second one. Office Gold and Windows Blue sit on opposite sides of the temperature line, which is the tension the palette runs on and the pair to hold apart.
Tile Dark is black's softer relative, still authoritative, but with enough warmth to feel considered rather than severe.
Windows Blue an electric or cobalt blue: trust with real conviction, confident rather than passive.
Xbox Green an emerald or kelly green: vitality turned all the way up, confident and alive.
Office Gold an electric, high-visibility yellow: caution and euphoria share the same wavelength here.
Light Surface reads as purity and openness, the color of empty space, clarity, and things left deliberately unresolved.
Zero dimension, bold fills, and geometric clarity - the design language that stripped the digital world of its shadows and gradients
Explore the full Flat Design style guideIts decade on the timeline · 2010s