Match Blue Iris
Sherwin-Williams Blue Iris is a light-reflective shade, neutral in character with an LRV of 73. The matches below are ranked by ΔE, a perceptual color-difference score.
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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 74 and 73, the two reflect almost the same amount of light. At ΔE 0.8 you'd need them side by side to tell them apart.
A 3-point LRV gap (73 vs 70) makes Blue Iris the marginally brighter of the two. A ΔE of 1.4 means the difference barely reads in a finished room.
With LRVs of 75 and 73, the two reflect almost the same amount of light. At ΔE 1.5 you'd need them side by side to tell them apart.
Their light reflectance is nearly identical (LRV 75 vs 73), so neither reads brighter in a room. A ΔE of 1.9 means the difference barely reads in a finished room.
With LRVs of 73 and 72, the two reflect almost the same amount of light. At ΔE 1.9 you'd need them side by side to tell them apart.
A 4-point LRV gap (73 vs 69) makes Blue Iris the marginally brighter of the two. A ΔE of 2.3 means the difference barely reads in a finished room.
Gauze - Mid reads slightly lighter (LRV 79 vs 73), a gap that shows most in low-lit rooms. At ΔE 2.8 you'd need them side by side to tell them apart.
Their light reflectance is nearly identical (LRV 73 vs 70), so neither reads brighter in a room. The ΔE 5.7 gap is real but not dramatic — distinct as a choice, harmonious together.
At LRV 85 vs 73, Signal White is decisively the brighter choice. The ΔE 6.1 gap is real but not dramatic — distinct as a choice, harmonious together.