Coats Sylko B9912 - Dark grey
Coats B9912 (Dark grey) - the Sylko thread, not the rayon variant. Production color values plus the swap-in alternatives by brand.
Closest Pantone match
The nearest Pantone Coated swatch to Coats B9912, ranked by perceptual color distance (CIEDE2000). The lower the ΔE, the closer the match.
Cross-brand alternatives
If your shop stocks a different brand, here are the closest equivalents to Coats B9912 - ranked by perceptual color distance (CIEDE2000). Anything under ΔE 2 is visually indistinguishable; under ΔE 5 is acceptable for most production work.
| Swatch | Brand | Code | Name | HEX | ΔE |
|---|---|---|---|---|---|
| Madeira Classic Rayon | 1241 | Black | #3B3F45 |
1.62 | |
| Coats Sylko | B9901 | Dark Navy | #3F424C |
2.28 | |
| Robison-Anton Rayon | 2487 | Smokey | #353842 |
2.34 | |
| Madeira Classic Rayon | 1318 | Dark Grey | #424047 |
2.69 | |
| Madeira Polyneon 40 | 1641 | Black | #35393D |
2.98 | |
| Isacord 40 | 2776 | Black Chrome | #3E3F41 |
3.08 | |
| Madeira Polyneon 40 | 1844 | Smokey | #31333E |
3.98 | |
| Isacord 40 | 0134 | Smoky | #3D3E3E |
4.37 | |
| Floriani PolyEmbroidery | 344 | Pilgrim Blue | #2E2F34 |
4.63 | |
| Floriani PolyEmbroidery | 488 | Dark Gray | #3B3539 |
5.16 | |
| Coats Sylko | B9914 | Dark Grey | #2A2E33 |
5.39 | |
| Robison-Anton Rayon | 2541 | Black Chrome | #443D38 |
8.07 |
How to use Coats B9912
Coats B9912 (Dark grey) is a neutral gray used for fill, shading, and secondary detail on multi-color logos. Common on tech and professional services apparel where the brand color story leans on gradient grays.
If you're spec'ing a new logo, start by matching PMS 446 C in the customer's brand standards, then pick whichever brand line your machines run. The cross-brand table above is the lookup you'd do at the digitizing stage.
Try the full Thread Color Matcher to convert any PMS, hex, or image color into thread matches across all 5 brands at once.
Frequently asked
What hex code is Coats B9912?
Coats Sylko B9912 (Dark grey) is hex #3B3D44, RGB 59/61/68.
What PMS color is closest to Coats B9912?
The nearest Pantone Coated match is PMS 446 C (#3F4444), with a perceptual color distance of ΔE 5.64 from Coats B9912. Lower ΔE means closer match - under 2 is visually indistinguishable, under 5 is acceptable for production.
What's the closest equivalent to Coats B9912 in Madeira?
Madeira Classic Rayon 1241 (Black) is the closest cross-brand match to Coats B9912, with a perceptual color distance of ΔE 1.62.
Is Coats B9912 good for production embroidery?
Yes. Coats Sylko is one of the major production embroidery thread lines used by promotional products distributors and embroiderers worldwide. Match against the customer's brand standards before committing to a job - the cross-brand alternatives above let you sub a closely-equivalent color from whichever line your shop has loaded.
Where can I match other PMS colors to Coats threads?
Use the free Thread Color Matcher at /tools/thread-match - it converts any PMS code, hex, RGB, or color from an uploaded image into the closest thread across Madeira, Isacord, Robison-Anton, Coats, and Floriani. No account required.
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