RAL 9012
Clean Room White
RAL 9012 Clean Room White is a specialized warm white developed specifically for pharmaceutical clean rooms, semiconductor fabrication facilities, and sterile medical environments. This carefully calibrated shade provides high light reflectance while minimizing the harsh, fatiguing glare associated with pure cool whites under intense artificial lighting. Clean Room White meets the stringent requirements of ISO 14644 clean room classifications and is formulated for compatibility with the aggressive cleaning chemicals used in controlled environments.
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 Clean Room White
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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