RAL 040 40 20
Warm Hazelnut
RAL 040 40 20 Warm Hazelnut sits at hue 040, lightness 40, and chroma 20, a warm earthy mid-dark orange-yellow reminiscent of roasted hazelnut shells and natural cork. It is specified for cafe interior millwork, natural timber colour coordination, and artisan workshop fittings. The moderate chroma and darkness produce a colour that feels organic, inviting, and connected to natural materials.
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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