Stone Cold TB-66 is a gray paint color from Kilz. It has a hex value of #9CA39D, LRV 36 and a cool (green) undertone. Its closest cross-brand match is Sage Gray from Behr (nearly identical), with 49 more equivalents across other brands.
Ref. #9CA39D · TB-66
Stone Cold
36%LRV Value
Cool (Green)Undertone
Stone Cold Technical Profile
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Stone Cold in Every Brand
The closest equivalent to Stone Cold in each major paint brand, ranked by how close the match reads. Always verify with a physical sample. How we calculate match accuracy →
KilzStone Cold
Nearly identical
BehrSage Gray
Sage Gray
Behr
Nearly identical
Seafoam Storm
Valspar
Nearly identical
Cannon Ball
Hirshfield's
Nearly identical
Puritan Gray
Benjamin Moore
Nearly identical
Pussy Willow
Vista Paint
Nearly identical
Casting Shadow
Dunn-Edwards
Nearly identical
Steel Curtain
PPG
Nearly identical
Unusual Gray
Sherwin-Williams
Nearly identical
Antiquated Pewter
Dutch Boy
Very similar
Metal .04
Colorhouse
Very similar
Signal Grey
RAL
Very similar
Pigeon
Farrow & Ball
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 Stone Cold
Timeless pairing with clean white trim and a tonal accent wall
Side Walls
Stone Cold
#9CA39D
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#85AD9F
Trim & Molding
Pure White
Crisp white trim for a clean, traditional look.
#FFFFFF
Color Palettes for Stone Cold
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
Stone Cold 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 Kilz Colors
Other Kilz colors close to Stone Cold.
More gray colors from other brands
Cross-brand colors in the gray family — useful when you want a similar look from a different brand.
Stone Cold — Frequently Asked Questions
What undertone does Stone Cold have?
Stone Cold by Kilz has a cool (green) 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 Stone Cold in your own space before committing.
What colors match Stone Cold from other brands?
The closest cross-brand equivalents to Stone Cold are Sage Gray by Behr (a near-identical match), Seafoam Storm by Valspar (a near-identical match), Cannon Ball by Hirshfield's (a near-identical match) — the best options for getting Stone Cold'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 Stone Cold?
Stone Cold has a Light Reflectance Value (LRV) of 35.7, 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 Stone Cold
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 Stone Cold's cool (green) undertone matters more than its surface color — and how to read undertones in any paint chip.