Limestone Slate works as a warm neutral anchor — pairs cleanly with most existing palettes and reads forgiving across lighting conditions. At LRV 15 it reads as a deep, enveloping shade — best on accent walls, dining rooms, and spaces where atmosphere matters more than reflected light. Skip it if you want a crisp, cool-modern look, or in rooms with heavy north light that can pull its warmth slightly muddy.
Ref. #6D6C62 · 422-6DB
Limestone Slate
15%LRV Value
Limestone Slate Technical Profile
What color is Dutch Boy Limestone Slate (422-6DB)? It's a deep warm gray — hex #6D6C62, LRV 15. The closest cross-brand equivalent to Limestone Slate is Sherwin-Williams Thunderous — a near-identical match on the wall, with Valspar Brandenburg Gate and Valspar Cosmopolitan Olive also close. With an LRV of 15, Limestone Slate creates a dramatic, enveloping mood — best on accent walls, dining rooms, and intimate spaces where atmosphere matters more than reflected light. As a warm neutral, Limestone Slate pairs with off-whites for trim, white oak or walnut floors, and brass or warm brushed nickel hardware. Deep green, navy, or terra-cotta all read well as accent colors. As a deeper neutral, Limestone Slate reads as a confident anchor — strongest on accent walls, cabinetry, and moody whole rooms that get enough natural light to keep it from going flat. Warm neutrals come alive under 2700K bulbs, where their underlying yellow or peach undertones add visible warmth. Under 4000K daylight they read cleaner and slightly cooler. Deeper neutrals can read close to black in low light, so preview Limestone Slate in the room's actual evening lighting, not just at midday.
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Colors Similar to Limestone Slate
Closest digital match based on color values. Always verify with physical samples.
Recommended Pairings
Colors That Work With Limestone Slate
Timeless pairing with clean white trim and a tonal accent wall
Side Walls
Limestone Slate
#6D6C62
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#869A68
Trim & Molding
Pure White
Crisp white trim for a clean, traditional look.
#FFFFFF
Color Palettes for Limestone Slate
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
Limestone Slate 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 Dutch Boy Colors
Other Dutch Boy colors close to Limestone Slate.
More gray colors from other brands
Cross-brand colors in the gray family — useful when you want a similar look from a different brand.
Limestone Slate — Frequently Asked Questions
What colors match Limestone Slate from other brands?
The closest cross-brand equivalents to Limestone Slate are Thunderous by Sherwin-Williams (a near-identical match), Brandenburg Gate by Valspar (a near-identical match), Cosmopolitan Olive by Valspar (a near-identical match). These are ranked with the CIEDE2000 color-difference formula, which scores how similar two colors actually look to the eye rather than matching them by name — so they're the best options for getting Limestone Slate's look in a brand your local store carries. Always confirm with a physical sample, since sheen and lighting shift the final result.
What is the LRV of Limestone Slate?
Limestone Slate has a Light Reflectance Value (LRV) of 14.9, 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. LRV is the most reliable guide to how light or dark a paint will read in a real room — more dependable than the swatch on your screen, which varies by monitor.
Explore More with Limestone Slate
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.
Paint Sheen Guide
Flat, eggshell, satin, or semi-gloss — the right finish for Limestone Slate depends on the room. Here's how to choose.