Match Cosmic Blue
Behr Cosmic Blue is a mid-tone shade, cool in character with an LRV of 47. 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 48 and 47, the two reflect almost the same amount of light. At ΔE 1.6 you'd need them side by side to tell them apart.
A 8-point LRV gap (55 vs 47) makes Idyllic Isle the marginally brighter of the two. A ΔE of 2.2 means the difference barely reads in a finished room.
Gentle Aquamarine reads slightly lighter (LRV 54 vs 47), a gap that shows most in low-lit rooms. At ΔE 3.0 you'd need them side by side to tell them apart.
With LRVs of 47 and 46, the two reflect almost the same amount of light. At ΔE 3.1 they're clearly different, yet close enough to share a room.
A 4-point LRV gap (47 vs 43) makes Cosmic Blue the marginally brighter of the two. The ΔE 4.3 gap is real but not dramatic — distinct as a choice, harmonious together.
With LRVs of 49 and 47, the two reflect almost the same amount of light. At ΔE 4.6 they're clearly different, yet close enough to share a room.
With LRVs of 47 and 47, the two reflect almost the same amount of light. At ΔE 4.7 they're clearly different, yet close enough to share a room.
At LRV 61 vs 47, Sky Blue is decisively the brighter choice. The ΔE 7.5 gap is real but not dramatic — distinct as a choice, harmonious together.
With LRVs of 47 and 47, the two reflect almost the same amount of light. At ΔE 8.1 they're clearly different, yet close enough to share a room.
With LRVs of 47 and 44, the two reflect almost the same amount of light. At ΔE 8.1 they're clearly different, yet close enough to share a room.
Their light reflectance is nearly identical (LRV 47 vs 45), so neither reads brighter in a room. The ΔE 8.9 gap is real but not dramatic — distinct as a choice, harmonious together.
With LRVs of 47 and 44, the two reflect almost the same amount of light. At ΔE 9.6 they're clearly different, yet close enough to share a room.
Dover Surf reads slightly lighter (LRV 53 vs 47), a gap that shows most in low-lit rooms. At ΔE 10.0 they're clearly different, yet close enough to share a room.
Cosmic Blue reads slightly lighter (LRV 47 vs 40), a gap that shows most in low-lit rooms. At ΔE 14.0 these are two genuinely different directions, not variations on a theme.