Comparison

Knighthood vs Royal Treatment

Behr S550-7 and Vista Paint 7189, ΔE 2.09 apart

Behr Knighthood S550-7 on a wall, hex #515461
Knighthood Behr S550-7
Vista Paint Royal Treatment 7189 on a wall, hex #51505D
Royal Treatment Vista Paint 7189
Zeytin’s verdict · ΔE 2.09Close cousins. Paint a sample of each before you choose.

Behr Knighthood (S550-7) and Vista Paint Royal Treatment (7189) measure a delta-E of 2.09 apart. Knighthood is 2 LRV points lighter, which is the difference you notice first. Both carry a similar amount of color, at chroma 8.1 and 8.2. The undertones part company: Knighthood reads as a blue undertone at hue angle 283.1 degrees, Royal Treatment as a violet undertone at 294.4. Close, but a large sample of each will show the gap, particularly against white trim. If you need the Royal Treatment depth in Behr's line, start from its LRV of 7.0 rather than matching by name.

Is Behr Knighthood the same color as Vista Paint Royal Treatment?

Not quite, but close - Behr Knighthood and Vista Paint Royal Treatment are delta-E 2.09 apart, close enough that most rooms would not show the difference.

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

The measured color distance between Behr Knighthood and Vista Paint Royal Treatment is delta-E 2.09.

Which is lighter, Behr Knighthood or Vista Paint Royal Treatment?

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

CLOSEST PAIRΔE 2.09 Knighthood and Royal Treatment
LIGHTESTKnighthood LRV 9.0
DARKESTRoyal Treatment LRV 7.0
SPREAD2LRV points

Side by side

measured values
Knighthood Royal Treatment
Brand Behr Vista Paint
Code S550-7 7189
Hex #515461 #51505D
Light reflectance 9.0 7.0
Undertone blue undertone violet undertone
Chroma 8.1 8.2
Hue angle 283.1° 294.4°
Color family black black

Each on its own

full detail