Castlerock DE6375 is a gray paint color from Dunn-Edwards. It has a hex value of #A9AAAB, estimated LRV 40 and a neutral undertone. Its closest cross-brand match is Soft Steel from Kilz (nearly identical), with 49 more equivalents across other brands.
Dunn-Edwards · #A9AAAB · DE6375
Castlerock
40%Estimated LRV
NeutralUndertone
Castlerock Technical Profile
HEX Code#A9AAAB
RGB169, 170, 171
Estimated LRV40.1
UndertoneNeutral
Digital swatches and calculated matches are approximations. Catalog LRV values may be calculated estimates, not manufacturer measurements. Data and matching method. Check the brand reference and physical samples before purchase.
Color Familygray
BrandDunn-Edwards
Test it in your room
Place physical samples beside your flooring and trim. Check them in daylight and with your evening lights before buying paint.
Use this color
Get this color
Some sample and supply links are affiliate links — if you buy through them, Paint Color HQ may earn a small commission at no extra cost to you. It helps keep the site free.
Compare alternatives to Castlerock
Digital candidates from other paint brands, ranked by color similarity. Always verify with a physical sample. How we calculate match accuracy →
Soft Steel
Kilz
#ACACAC
Close digital match
Wright Soft Grey
PPG
#ACADAD
Close digital match
Soft Pebble
Behr
#AEADAE
Close digital match
White Aluminium
RAL
#A5A5A5
Close digital match
Tin Man
Vista Paint
#AEACAC
Close digital match
Tin Man
Hirshfield's
#AFADAD
Close digital match
Ironed Gray
Dutch Boy
#A4A7A6
Similar digital color
Gris
Sherwin-Williams
#A5A9A8
Similar digital color
Stormy Monday
Benjamin Moore
#AFACAB
Similar digital color
Metropolis
Valspar
#ADB1B3
Similar digital color
Wool .03
Colorhouse
#A1ABAB
Similar digital color
Lamp Room Gray
Farrow & Ball
#B2B1A9
Visible digital difference
Comparing these brands? Order peel-and-stick samples of your top matches — Samplize buy 8 peel-and-stick samples, get 2 free.
Generated palette previews
Colors That Work With Castlerock
These are generated digital colors, not named manufacturer paints. Use the palette tools to find paint candidates, then compare physical samples.
Timeless pairing with clean white trim and a tonal accent wall
Side Walls
Castlerock
#A9AAAB
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#8585AD
Trim & Molding
Digital white
Crisp white trim for a clean, traditional look.
#FFFFFF
Color Palettes for Castlerock
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
Castlerock Room Palettes
Color schemes built around this color — each swatch links to the closest matching paint.
Warm & Inviting
Warm tones with cozy appeal — welcoming and comfortable
Cool & Calm
Cool hues with soft contrast — serene and restful
Bold Contrast
Complementary hues with punch — dynamic and striking
Similar Dunn-Edwards Colors
Other Dunn-Edwards colors close to Castlerock.
More gray colors from other brands
Cross-brand colors in the gray family — useful when you want a similar look from a different brand.
Castlerock — Frequently Asked Questions
What undertone does Castlerock have?
Castlerock by Dunn-Edwards has a neutral undertone and sits in the gray color family. This is a digital classification, not a prediction of physical paint under every light. Compare samples in your own space.
What colors match Castlerock from other brands?
The closest cross-brand equivalents to Castlerock are Soft Steel by Kilz (a close digital match), Wright Soft Grey by PPG (a close digital match), Flagstone by PPG (a close digital match) — the best options for getting Castlerock's look from a brand your local store carries. Confirm with a physical sample, since sheen and lighting shift the final result.
What is the LRV of Castlerock?
Castlerock has a estimated lightness value of 40.1, on a scale where 0 is pure black and 100 is pure white — that makes it a mid-depth color with real presence — strong on accent walls, libraries, and rooms with good natural light.
Explore More with Castlerock
Related Reading
How to Match Paint Colors Across Brands
The science behind Delta E and CIEDE2000 — find a Behr equivalent of any Sherwin-Williams shade, or a Benjamin Moore alternative when your store is out of stock.
Understanding Paint Color Undertones
Why Castlerock's neutral undertone matters more than its surface color — and how to read undertones in any paint chip.