RAL 000 45 00
Dark Mid Grey
RAL 000 45 00 Dark Mid Grey registers at lightness 45 on the grey axis, a strong dark-medium grey that provides clear definition and contrast against lighter building elements. It is commonly specified for window mullions, gate frames, and industrial railing systems where visibility and structural emphasis are important. This tone bridges the gap between medium greys and the truly dark end of the spectrum.
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.
Build a Palette Around Dark Mid Grey
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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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