Match Royal Indigo
PPG Royal Indigo is a deep, low-reflectance shade with an LRV of 7. 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 8 and 7, the two reflect almost the same amount of light. At ΔE 4.1 they're clearly different, yet close enough to share a room.
Their light reflectance is nearly identical (LRV 7 vs 5), so neither reads brighter in a room. The ΔE 5.0 gap is real but not dramatic — distinct as a choice, harmonious together.
With LRVs of 9 and 7, the two reflect almost the same amount of light. At ΔE 6.1 they're clearly different, yet close enough to share a room.
With LRVs of 7 and 7, the two reflect almost the same amount of light. At ΔE 6.5 they're clearly different, yet close enough to share a room.
Their light reflectance is nearly identical (LRV 7 vs 6), so neither reads brighter in a room. The ΔE 7.0 gap is real but not dramatic — distinct as a choice, harmonious together.
With LRVs of 9 and 7, the two reflect almost the same amount of light. At ΔE 9.6 they're clearly different, yet close enough to share a room.
Their light reflectance is nearly identical (LRV 7 vs 4), so neither reads brighter in a room. A ΔE of 10.1 puts them firmly in different territory — a strong contrast if combined.
Their light reflectance is nearly identical (LRV 8 vs 7), so neither reads brighter in a room. A ΔE of 10.7 puts them firmly in different territory — a strong contrast if combined.
With LRVs of 7 and 6, the two reflect almost the same amount of light. At ΔE 10.8 these are two genuinely different directions, not variations on a theme.
With LRVs of 7 and 7, the two reflect almost the same amount of light. At ΔE 12.1 these are two genuinely different directions, not variations on a theme.
Their light reflectance is nearly identical (LRV 8 vs 7), so neither reads brighter in a room. A ΔE of 14.0 puts them firmly in different territory — a strong contrast if combined.
A 3-point LRV gap (10 vs 7) makes Violet Blue the marginally brighter of the two. A ΔE of 14.0 puts them firmly in different territory — a strong contrast if combined.
At ΔE 14.4 these are two genuinely different directions, not variations on a theme.
Their light reflectance is nearly identical (LRV 7 vs 4), so neither reads brighter in a room. A ΔE of 20.1 puts them firmly in different territory — a strong contrast if combined.