RAL 310 20 10
Deep Moss Hollow
RAL 310 20 10 Deep Moss Hollow sits at hue 310, lightness 20, and chroma 10 in the RAL Design system, producing a very dark muted green-yellow that evokes the concentrated depth of moss growing in shaded forest hollows and the shadowed interior of ancient stone walls. This intense tone is favoured for nature reserve infrastructure elements, heritage garden wall finishes, and woodland museum display cases. Its low lightness and restrained chroma create a colour that reads nearly black yet reveals a cool mossy heart under direct illumination.
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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