Gunmetal Gray 1033-6 is a gray paint color from PPG. It has a hex value of #646C64, LRV 14 and a warm (golden) undertone. Its closest cross-brand match is Mouse Grey from RAL (nearly identical), with 49 more equivalents across other brands.
Ref. #646C64 · 1033-6
Gunmetal Gray
14%LRV Value
Warm (Golden)Undertone
Gunmetal Gray Technical Profile
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.
Gunmetal Gray in Every Brand
The closest equivalent to Gunmetal Gray in each major paint brand, ranked by how close the match reads. Always verify with a physical sample. How we calculate match accuracy →
PPGGunmetal Gray
Nearly identical
RALMouse Grey
Mouse Grey
RAL
Nearly identical
Gray Owl
Behr
Nearly identical
Velvet Clover
Dunn-Edwards
Nearly identical
Rainy Afternoon
Benjamin Moore
Nearly identical
Succulent
Sherwin-Williams
Nearly identical
Douter
Farrow & Ball
Nearly identical
Quaking Bog
Valspar
Very similar
Zinc-Ed
Dutch Boy
Very similar
Billowing Smoke
Vista Paint
Very similar
Stairway to Heaven
Hirshfield's
Very similar
Old Key
Kilz
Very similar
Comparing these brands? Order peel-and-stick samples of your top matches — Samplize buy 8 peel-and-stick samples, get 2 free.
Recommended Pairings
Colors That Work With Gunmetal Gray
Timeless pairing with clean white trim and a tonal accent wall
Side Walls
Gunmetal Gray
#646C64
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#689B82
Trim & Molding
Pure White
Crisp white trim for a clean, traditional look.
#FFFFFF
Color Palettes for Gunmetal Gray
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
Gunmetal Gray 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 PPG Colors
Other PPG colors close to Gunmetal Gray.
More gray colors from other brands
Cross-brand colors in the gray family — useful when you want a similar look from a different brand.
Gunmetal Gray — Frequently Asked Questions
What undertone does Gunmetal Gray have?
Gunmetal Gray by PPG has a warm (golden) undertone and sits in the gray color family. The undertone shifts with light — warmer under 2700K bulbs, cleaner and cooler under 4000K daylight — so sample Gunmetal Gray in your own space before committing.
What colors match Gunmetal Gray from other brands?
The closest cross-brand equivalents to Gunmetal Gray are Mouse Grey by RAL (a near-identical match), Gray Owl by Behr (a near-identical match), Velvet Clover by Dunn-Edwards (a near-identical match) — the best options for getting Gunmetal Gray'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 Gunmetal Gray?
Gunmetal Gray has a Light Reflectance Value (LRV) of 14.4, on a scale where 0 is pure black and 100 is pure white — that makes it a deep, dramatic color best saved for accent walls, dining rooms, and cozy spaces where atmosphere matters more than reflected light.
Explore More with Gunmetal Gray
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 Gunmetal Gray's warm (golden) undertone matters more than its surface color — and how to read undertones in any paint chip.