Match Portico
Sherwin-Williams Portico is a mid-tone shade, warm in character with an LRV of 42. 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.
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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.
With LRVs of 42 and 41, the two reflect almost the same amount of light. At ΔE 1.1 you'd need them side by side to tell them apart.
Their light reflectance is nearly identical (LRV 42 vs 41), so neither reads brighter in a room. A ΔE of 1.3 means the difference barely reads in a finished room.
Their light reflectance is nearly identical (LRV 42 vs 42), so neither reads brighter in a room. A ΔE of 2.5 means the difference barely reads in a finished room.
With LRVs of 42 and 42, the two reflect almost the same amount of light. At ΔE 2.5 you'd need them side by side to tell them apart.
With LRVs of 42 and 39, the two reflect almost the same amount of light. At ΔE 2.6 you'd need them side by side to tell them apart.
Slaked Lime - Dark reads slightly lighter (LRV 45 vs 42), a gap that shows most in low-lit rooms. At ΔE 3.1 they're clearly different, yet close enough to share a room.
With LRVs of 42 and 41, the two reflect almost the same amount of light. At ΔE 3.1 they're clearly different, yet close enough to share a room.
With LRVs of 43 and 42, the two reflect almost the same amount of light. At ΔE 3.8 they're clearly different, yet close enough to share a room.
Their light reflectance is nearly identical (LRV 45 vs 42), so neither reads brighter in a room. The ΔE 6.0 gap is real but not dramatic — distinct as a choice, harmonious together.
