Comparison

Coal Mine vs Royal Treatment

Behr N540-7 and Vista Paint 7189, ΔE 3.75 apart

Behr Coal Mine N540-7 on a wall, hex #54555D
Coal Mine Behr N540-7
Vista Paint Royal Treatment 7189 on a wall, hex #51505D
Royal Treatment Vista Paint 7189
Zeytin’s verdict · ΔE 3.75Related, but your eyes will notice. These are different choices.

Behr Coal Mine (N540-7) and Vista Paint Royal Treatment (7189) measure a delta-E of 3.75 apart. Coal Mine is 2 LRV points lighter, which is the difference you notice first. Royal Treatment holds more color, chroma 8.2 against 5, so it grays out less in dim light. The undertones part company: Coal Mine reads as a blue cast at hue angle 286.3 degrees, Royal Treatment as a violet undertone at 294.4. These read as related but distinct. Sample both before committing. If you need the Royal Treatment depth in Behr's line, start from its LRV of 7.0 rather than matching by name.

What is the difference between Behr Coal Mine and Vista Paint Royal Treatment?

Behr Coal Mine and Vista Paint Royal Treatment are delta-E 3.75 apart - a difference that shows up on a wall, not just side by side on two chips.

What is the delta-E between Behr Coal Mine and Vista Paint Royal Treatment?

The measured color distance between Behr Coal Mine and Vista Paint Royal Treatment is delta-E 3.75.

Which is lighter, Behr Coal Mine or Vista Paint Royal Treatment?

Behr Coal Mine is lighter than Vista Paint Royal Treatment by 2 points of light reflectance (LRV).

Which is more saturated, Behr Coal Mine or Vista Paint Royal Treatment?

Vista Paint Royal Treatment carries more color than Behr Coal Mine - a higher chroma value means a more intense, less grey color.

CLOSEST PAIRΔE 3.75 Coal Mine and Royal Treatment
LIGHTESTCoal Mine LRV 9.0
DARKESTRoyal Treatment LRV 7.0
SPREAD2LRV points

Side by side

measured values
Coal Mine Royal Treatment
Brand Behr Vista Paint
Code N540-7 7189
Hex #54555D #51505D
Light reflectance 9.0 7.0
Undertone blue cast violet undertone
Chroma 5.0 8.2
Hue angle 286.3° 294.4°
Color family black black

Each on its own

full detail