Match Granite Boulder
PPG Granite Boulder is a deep, low-reflectance shade with an LRV of 16. 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 17 and 16, the two reflect almost the same amount of light. At ΔE 2.8 you'd need them side by side to tell them apart.
With LRVs of 19 and 16, the two reflect almost the same amount of light. At ΔE 3.1 they're clearly different, yet close enough to share a room.
Their light reflectance is nearly identical (LRV 16 vs 15), so neither reads brighter in a room. The ΔE 3.2 gap is real but not dramatic — distinct as a choice, harmonious together.
Their light reflectance is nearly identical (LRV 16 vs 16), so neither reads brighter in a room. The ΔE 3.7 gap is real but not dramatic — distinct as a choice, harmonious together.
With LRVs of 16 and 16, 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 16 vs 16), so neither reads brighter in a room. The ΔE 4.1 gap is real but not dramatic — distinct as a choice, harmonious together.
With LRVs of 18 and 16, 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 16 vs 16), so neither reads brighter in a room. The ΔE 5.6 gap is real but not dramatic — distinct as a choice, harmonious together.
Mole reads slightly lighter (LRV 20 vs 16), a gap that shows most in low-lit rooms. At ΔE 5.6 they're clearly different, yet close enough to share a room.
Their light reflectance is nearly identical (LRV 17 vs 16), so neither reads brighter in a room. The ΔE 5.9 gap is real but not dramatic — distinct as a choice, harmonious together.
Nether Red reads slightly lighter (LRV 20 vs 16), a gap that shows most in low-lit rooms. At ΔE 6.0 they're clearly different, yet close enough to share a room.
With LRVs of 16 and 15, the two reflect almost the same amount of light. At ΔE 6.8 they're clearly different, yet close enough to share a room.
With LRVs of 17 and 16, the two reflect almost the same amount of light. At ΔE 7.3 they're clearly different, yet close enough to share a room.
A 9-point LRV gap (25 vs 16) makes Lilac Gray the marginally brighter of the two. The ΔE 8.9 gap is real but not dramatic — distinct as a choice, harmonious together.