Charlotte's Locks vs RAL 420-5
Charlotte's Locks (Farrow & Ball) and RAL 420-5 (RAL Effect) come from different manufacturers. Both sit in the pink-red family, which is useful context if you're narrowing within a single hue direction. The 3-point LRV gap — 21 for Charlotte's Locks vs 18 for RAL 420-5 — means Charlotte's Locks will open up a space more effectively. ΔE 3.4 means they're clearly different, but not dramatically so — they'd pair well in the same room. 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 420-5 in Real Spaces
2 real rooms side by side. Charlotte's Locks and RAL 420-5 are close enough that the difference can be hard to judge from a chip alone — these photos show how each reads at scale, across different spaces and lighting conditions.
Bathroom
Small bathrooms intensify color. A shade that seems quiet in a larger room can feel immersive when you're surrounded by it on four walls. At this scale, the choice between them becomes clear in a way that a swatch alone can't communicate.
Kitchen Cabinets
Cabinet color is always seen in context — against countertops, backsplash, and hardware — which amplifies undertone differences that might disappear on a plain wall. At this scale, the choice between them becomes clear in a way that a swatch alone can't communicate.
Color Details
Charlotte's Locks vs RAL 420-5 Simulated Comparison
5 simulated room previews — drag the slider on each to see Charlotte's Locks on one side and RAL 420-5 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.
Ammonite reflects far more light (LRV 69 vs 21), opening up a space where Charlotte's Locks encloses it.
At LRV 83 vs 21, White Dove is decisively the brighter choice.
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.
Pigeon reflects far more light (LRV 51 vs 21), opening up a space where Charlotte's Locks encloses it.
A 9-point LRV gap (21 vs 12) makes Charlotte's Locks the marginally brighter of the two.
At LRV 21 vs 8, Charlotte's Locks is decisively the brighter choice.
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.
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.