Match RAL 660-1
RAL Effect RAL 660-1 is a deep, low-reflectance shade with an LRV of 15. The matches below are the closest equivalents available across every brand on Pontata, ranked by ΔE — a perceptual color difference score. A ΔE under 3 is subtle; under 10 is noticeable but harmonious; above 25 means genuinely different colors.
View full RAL 660-1 color page →
Closest matches across every brand
One match per brand, ranked by ΔE — a perceptual color difference score calculated from Lab color space values. Lower is closer. Click any card to compare side by side in simulated rooms.

Mediterranean Blue reads slightly lighter

Meridian Blue reads slightly lighter


North Pole Blue reads slightly lighter


Teal Touch reads slightly lighter


Pastel blue reads noticeably lighter



Blue Verditer reads noticeably lighter


Tidepool Wonder reads slightly lighter


S 4010-B70G reads noticeably lighter




