RAL 120 45 10
Warm Slate Cyan
RAL 120 45 10 Warm Slate Cyan sits at hue 120, lightness 45, and a restrained chroma of 10, a muted earthy mid-dark cyan reminiscent of weathered slate roofing and overcast harbour waters. It is specified for coastal interior elements, heritage millwork finishes, and natural material colour coordination. The low chroma and moderate darkness produce a colour that feels mineral, grounded, and connected to maritime landscapes.
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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