Match Blue Thistle
PPG Blue Thistle is a mid-tone shade with an LRV of 52. 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.
Blue Thistle reads slightly lighter (LRV 52 vs 49), a gap that shows most in low-lit rooms. At ΔE 1.9 you'd need them side by side to tell them apart.
Their light reflectance is nearly identical (LRV 52 vs 51), so neither reads brighter in a room. A ΔE of 2.3 means the difference barely reads in a finished room.
With LRVs of 55 and 52, the two reflect almost the same amount of light. At ΔE 2.9 you'd need them side by side to tell them apart.
A 3-point LRV gap (55 vs 52) makes Forget me not the marginally brighter of the two. The ΔE 3.0 gap is real but not dramatic — distinct as a choice, harmonious together.
A 3-point LRV gap (55 vs 52) makes Faded Sky the marginally brighter of the two. The ΔE 4.0 gap is real but not dramatic — distinct as a choice, harmonious together.
RAL 170-3 reads slightly lighter (LRV 56 vs 52), a gap that shows most in low-lit rooms. At ΔE 4.1 they're clearly different, yet close enough to share a room.
A 7-point LRV gap (52 vs 45) makes Blue Thistle the marginally brighter of the two. The ΔE 4.2 gap is real but not dramatic — distinct as a choice, harmonious together.
A 4-point LRV gap (56 vs 52) makes Agapanthus the marginally brighter of the two. The ΔE 4.3 gap is real but not dramatic — distinct as a choice, harmonious together.
Their light reflectance is nearly identical (LRV 52 vs 51), so neither reads brighter in a room. The ΔE 4.9 gap is real but not dramatic — distinct as a choice, harmonious together.
The ΔE 6.0 gap is real but not dramatic — distinct as a choice, harmonious together.
With LRVs of 52 and 52, the two reflect almost the same amount of light. At ΔE 7.3 they're clearly different, yet close enough to share a room.
Blue Thistle reads slightly lighter (LRV 52 vs 46), a gap that shows most in low-lit rooms. At ΔE 8.3 they're clearly different, yet close enough to share a room.
At LRV 71 vs 52, S 0515-R80B is decisively the brighter choice. A ΔE of 11.0 puts them firmly in different territory — a strong contrast if combined.
Telegrey 4 reads slightly lighter (LRV 59 vs 52), a gap that shows most in low-lit rooms. At ΔE 14.0 these are two genuinely different directions, not variations on a theme.