RAL 150 75 10
Whisper Twilight
RAL 150 75 10 Whisper Twilight occupies hue 150, lightness 75, and a low chroma of 10, a desaturated cool blue that hovers between twilight blue and soft grey. It is a natural fit for Scandinavian-inspired interiors, natural linen colour palettes, and understated residential wall finishes. This whisper twilight tone brings subtle atmospheric coolness to neutral schemes without disrupting their calm, muted character.
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 Whisper Twilight
Palette Generator
Select a harmony type, then press Space to reroll unlocked colors.
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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