RAL 4006
Traffic Purple
RAL 4006 Traffic Purple is a vivid, standardized purple from the RAL traffic color family, designed for consistent use across transportation and public infrastructure. This saturated magenta-purple provides strong visual contrast against urban backgrounds, making it effective for wayfinding systems, transit signage, and public facility identification. Traffic Purple is part of the internationally recognized signal color palette and meets visibility requirements for public safety applications across European transportation networks.
Color Reference
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 Traffic Purple
Palette Generator
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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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