Castlerock
DE6375 · #A9AAAB · LRV 37 — neutral with no strong undertone, mid-tone — versatile but shifts visibly with light.
- 1Black Fox7
- 2Pewter Green12
- 3Castlerock37
- 4Stardew43
- 5Sea Salt63
What Color Is Castlerock, Really?
Castlerock reads as a neutral with no strong undertone — mid-tone — versatile but shifts visibly with light. The notes below cover how Dunn-Edwards DE6375 behaves in different light and the closest matches at competing US brands.
Best Rooms and Uses for Castlerock
Castlerock is versatile enough for full rooms but has enough depth to anchor a space, so it suits living rooms, bedrooms and cabinetry alike. Grays like this read as a modern neutral and sit comfortably alongside both warm woods and cool metals.
How Lighting Changes Castlerock
Castlerock sits in the mid-range at LRV 37, so it shifts visibly through the day — lighter and more open in morning light, deeper and moodier after dark. Because it carries almost no measurable hue, it stays a true neutral and pairs cleanly with nearly any trim or floor. South-facing rooms will pull it lighter and warmer, while north light cools it down.
Most complaints about Castlerock are a light mismatch. Upload a photo of your actual room and see it on your walls — then ask for the same wall in north light or evening lamps before you buy a single sample.
Need It From Another Brand?
Any paint counter can custom-tint Dunn-Edwards DE6375 directly. If you would rather stay in one brand's own deck, these are the closest stock matches, measured as ΔE2000. Under 2 is a difference you will not see on the wall.
| Brand | Closest color | ΔE | LRV | |
|---|---|---|---|---|
| Sherwin-Williams | Mystical ShadeSW 6276 · Sherwin-Williams | 3.1 | 40 | Color page → |
| Behr | Cathedral GrayPPU18-14 · Behr | 2.0 | 40 | Color page → |
| Benjamin Moore | Stormy Monday2112-50 · Benjamin Moore | 2.2 | 41 | Color page → |
| Valspar | Metropolis4005-1C · Valspar | 1.1 | 41 | Color page → |
| PPG / Glidden | PrecipitationPPG0997-4 · PPG / Glidden | 3.0 | 41 | Color page → |
| Glidden | Philosophical Grey50BG 39/022 · Glidden | 2.1 | 39 | Color page → |
Similar Dunn-Edwards Colors
The nearest shades to Castlerock within Dunn-Edwards's own range, ranked by perceptual color distance — useful when you want the same look a touch lighter, darker, or warmer.
WCAG 2.1: AA is 4.5 : 1 for normal text, 3 : 1 for large text, AAA is 7 : 1.
Coordinated palette
Generated by hue-rotating #A9AAAB in HSL space. Pair Castlerock with one accent and one neutral — the swatches below are starting points, not final picks.
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