RAL 090 50 25
Warm Fern
RAL 090 50 25 Warm Fern is positioned at hue 090, lightness 50, and chroma 25, a vibrant mid-tone cool green with the fresh appeal of unfurling fern fronds and young bracken. Designers specify it for organic food branding elements, kitchen accent panels, and contemporary furniture finishes. The balanced lightness and moderate chroma create a colour that is natural, invigorating, and unmistakably fresh.
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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