RAL 000 55 00
Warm Mid Grey
RAL 000 55 00 Warm Mid Grey sits at lightness 55 on the grey axis, entering the darker half of the neutral spectrum where grey begins to carry visual weight. This rich mid-grey is favoured for facade louvres, balustrade infill panels, and retail fixture bases that need grounding without heaviness. Under warm artificial lighting it can take on a subtly inviting character despite its strict neutrality.
Color Reference
The RAL Design system uses Hue-Lightness-Chroma (HLC) notation. Hue describes the color family (0-360°), Lightness describes brightness (0-100), and Chroma describes saturation intensity (0-100+).
WCAG 2.1 AA requires 4.5:1 contrast for normal text. Results show this color as a background.
Spectrum & Perceptual Position
CIELAB is a perceptually uniform color space. Euclidean distance between two colors in this diagram closely matches human visual difference. The dot size shows your selected color; slightly larger dots are the nearest perceptual neighbors.
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Reference + opposite hue with tonal variations
Contrast ratios follow WCAG 2.1 guidelines. Green (≥4.5:1) passes AA for normal text. Amber (≥3:1) passes for large text only. Grey indicates low contrast.
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