
Charlotte's Locks vs RAL 440-1
Where Charlotte's Locks belongs to Farrow & Ball's range, RAL 440-1 is a RAL Effect color. Both sit in the pink-red family, which is useful context if you're narrowing within a single hue direction. Charlotte's Locks (LRV 21) reflects noticeably more light than RAL 440-1 (LRV 13), a difference of 8 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 17.8, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Charlotte's Locks vs RAL 440-1 in Real Spaces
2 real rooms side by side. Seeing Charlotte's Locks and RAL 440-1 in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Bathroom
Bathrooms are one of the few spaces where you're genuinely enclosed by the paint color, which makes the choice between these two more consequential. Charlotte's Locks reflects noticeably more light off the walls, making the space read more open than RAL 440-1.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Charlotte's Locks reflects noticeably more light off the walls, making the space read more open than RAL 440-1.
Color Details
Charlotte's Locks vs RAL 440-1 Simulated Comparison
5 simulated room previews — drag the slider on each to see Charlotte's Locks on one side and RAL 440-1 on the other.
Digital color is approximate. These simulations are generated from the manufacturer's hex values and overlaid on grayscale room photos — your screen's calibration, brightness, and viewing angle all affect how they render. Before committing to either color, test physical samples in your own space under the light you actually live with.
More Charlotte's Locks comparisons
See how Charlotte's Locks stacks up against other well-photographed colors across different brands and tones.

At LRV 83 vs 21, White Dove is decisively the brighter choice.

Ammonite reflects far more light (LRV 69 vs 21), opening up a space where Charlotte's Locks encloses it.

At LRV 21 vs 6, Charlotte's Locks is decisively the brighter choice.

Purbeck Stone reflects far more light (LRV 52 vs 21), opening up a space where Charlotte's Locks encloses it.

Evergreen Fog reads slightly lighter (LRV 30 vs 21), a gap that shows most in low-lit rooms.

At LRV 52 vs 21, Mizzle is decisively the brighter choice.

Agreeable Gray reflects far more light (LRV 60 vs 21), opening up a space where Charlotte's Locks encloses it.

At LRV 58 vs 21, Accessible Beige is decisively the brighter choice.

A 6-point LRV gap (27 vs 21) makes Denim Drift the marginally brighter of the two.

French Gray reflects far more light (LRV 43 vs 21), opening up a space where Charlotte's Locks encloses it.

Charlotte's Locks reflects far more light (LRV 21 vs 4), opening up a space where Naval encloses it.

At LRV 55 vs 21, Tranquil Dawn is decisively the brighter choice.

A 8-point LRV gap (21 vs 13) makes Charlotte's Locks the marginally brighter of the two.

At LRV 44 vs 21, Hardwick White is decisively the brighter choice.

Pure White reflects far more light (LRV 84 vs 21), opening up a space where Charlotte's Locks encloses it.

With LRVs of 21 and 21, the two reflect almost the same amount of light.

At LRV 66 vs 21, Balboa Mist is decisively the brighter choice.

At LRV 74 vs 21, Shoji White is decisively the brighter choice.

At LRV 83 vs 21, Snowbound is decisively the brighter choice.

A 9-point LRV gap (21 vs 12) makes Charlotte's Locks the marginally brighter of the two.

At LRV 68 vs 21, Skimming Stone is decisively the brighter choice.

Dix Blue reflects far more light (LRV 41 vs 21), opening up a space where Charlotte's Locks encloses it.

Calamine reflects far more light (LRV 68 vs 21), opening up a space where Charlotte's Locks encloses it.

Treron reads slightly lighter (LRV 25 vs 21), a gap that shows most in low-lit rooms.

A 9-point LRV gap (21 vs 12) makes Charlotte's Locks the marginally brighter of the two.

At LRV 45 vs 21, Saybrook Sage is decisively the brighter choice.

Pale Green reads slightly lighter (LRV 31 vs 21), a gap that shows most in low-lit rooms.

Charlotte's Locks reflects far more light (LRV 21 vs 7), opening up a space where Pine Needle encloses it.

With LRVs of 24 and 21, the two reflect almost the same amount of light.

Guilford Green reflects far more light (LRV 57 vs 21), opening up a space where Charlotte's Locks encloses it.













