Gunmetal Gray 1033-6 is a gray paint color from PPG. It has a hex value of #646C64, estimated 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.
PPG · #646C64 · 1033-6
Gunmetal Gray
14%Estimated LRV
Warm (Golden)Undertone
Gunmetal Gray Technical Profile
HEX Code#646C64
RGB100, 108, 100
Estimated LRV14.4
UndertoneWarm (Golden)
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
BrandPPG
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Place physical samples beside your flooring and trim. Check them in daylight and with your evening lights before buying paint.
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Compare alternatives to Gunmetal Gray
Digital candidates from other paint brands, ranked by color similarity. Always verify with a physical sample. How we calculate match accuracy →
Mouse Grey
RAL
#646B63
Close digital match
Gray Owl
Behr
#646C62
Close digital match
Velvet Clover
Dunn-Edwards
#656D63
Close digital match
Rainy Afternoon
Benjamin Moore
#656C62
Close digital match
Succulent
Sherwin-Williams
#616C64
Close digital match
Douter
Farrow & Ball
#636F68
Close digital match
Quaking Bog
Valspar
#666A63
Similar digital color
Zinc-Ed
Dutch Boy
#666D69
Similar digital color
Billowing Smoke
Vista Paint
#6B6F67
Similar digital color
Stairway to Heaven
Hirshfield's
#67716E
Similar digital color
Old Key
Kilz
#696D6B
Similar digital color
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 Gunmetal Gray
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
Gunmetal Gray
#646C64
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#689B82
Trim & Molding
Digital 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. This is a digital classification, not a prediction of physical paint under every light. Compare samples in your own space.
What colors match Gunmetal Gray from other brands?
The closest cross-brand equivalents to Gunmetal Gray are Mouse Grey by RAL (a close digital match), Gray Owl by Behr (a close digital match), Velvet Clover by Dunn-Edwards (a close digital 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 estimated lightness value 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.