Madeira Polyneon 40 1665 - Charcoal Gray
Madeira 1665 (Charcoal Gray) - the Polyneon 40 thread, not the rayon variant. Production color values plus the swap-in alternatives by brand.
Closest Pantone match
The nearest Pantone Coated swatch to Madeira 1665, 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 Madeira 1665 - 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 | 1393 | Hedge | #414137 |
3.56 | |
| Madeira Polyneon 40 | 1798 | Charcoal Gray | #3F4034 |
4.69 | |
| Floriani PolyEmbroidery | 487 | Gun Metal Gray | #555553 |
4.88 | |
| Isacord 40 | 0134 | Smoky | #3D3E3E |
5.11 | |
| Madeira Polyneon 40 | 1739 | Dark Grey | #4E4A4A |
5.18 | |
| Isacord 40 | 4174 | Charcoal | #555555 |
5.67 | |
| Robison-Anton Rayon | 2541 | Black Chrome | #443D38 |
5.86 | |
| Robison-Anton Rayon | 2565 | Aged Charcoal | #443D38 |
5.86 | |
| Madeira Classic Rayon | 1357 | Green | #484634 |
5.91 | |
| Floriani PolyEmbroidery | 416 | Penguin | #38382F |
5.97 | |
| Coats Sylko | B5939 | Fluo Lime | #394236 |
6.93 | |
| Coats Sylko | B9636 | Dark Grey | #534F52 |
7.34 |
How to use Madeira 1665
Madeira 1665 (Charcoal Gray) 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 Madeira 1665?
Madeira Polyneon 40 1665 (Charcoal Gray) is hex #494943, RGB 73/73/67.
What PMS color is closest to Madeira 1665?
The nearest Pantone Coated match is PMS 446 C (#3F4444), with a perceptual color distance of ΔE 4.56 from Madeira 1665. Lower ΔE means closer match - under 2 is visually indistinguishable, under 5 is acceptable for production.
What's the closest equivalent to Madeira 1665 in Madeira?
Madeira Classic Rayon 1393 (Hedge) is the closest cross-brand match to Madeira 1665, with a perceptual color distance of ΔE 3.56.
Is Madeira 1665 good for production embroidery?
Yes. Madeira Polyneon 40 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 Madeira 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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