DMC 3812 to J&P Coats: Thread Conversion
The closest J&P Coats equivalent to DMC 3812 (Very Dark Seagreen) is J&P Coats 6186.
Close MatchHex #2F8C84 · greens family
Only the DMC swatch is rendered as stored color data here. Compare the physical target skein before you assume a visual match.
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Conversion Notes
J&P Coats 6186 is a close match for DMC 3812 Very Dark Seagreen. J&P Coats' wide retail availability makes 6186 a practical option for stitchers sourcing thread locally for marine, coastal, and aquatic designs. The deep marine blue-green quality suited to seascape fills, Japanese pond water, koi pond backgrounds, and dark botanical succulent shadow positions is approximated in J&P Coats' version at a level adequate for most general decorative stitching applications. Since Madeira 1203 provides a confirmed exact match for this color, that option is the preferable choice when the specific blue-green balance of Very Dark Seagreen — the cooler marine green quality that distinguishes it from warmer turquoise and bluer peacock alternatives — needs to be precisely reproduced. For northern European maritime scenes, Scottish and Norwegian coastal designs, and Japanese pond water fills where the thread's distinctively marine (rather than tropical) character is specifically the design's color requirement, Madeira 1203 is the more reliable option. J&P Coats 6186 is a workable and accessible fallback for supporting shadow positions, dark water accents, and general dark blue-green fills in mixed designs where approximate character matching is adequate.
Reference quality
How We Validate This Match
This J&P Coats page is meant to help you shortlist a replacement quickly, then verify the physical skein before you mix brands in the same stitched area.
- Methodology
- This comparison uses the site's source-of-truth record for DMC 3812, the stored J&P Coats equivalent, and the saved close rating before rendering the page copy.
- Verification status
- Close cross-brand match. Treat it as a shortlist, not proof that the physical threads will be visually identical under every fabric and light condition.
- Source basis
- Published cross-brand floss chart mapping. Use it as a shortlist, then confirm with physical thread because sheen and dye lots still matter.
- Last reviewed
- 2026-04-20
- Best use
- Close and approximate matches work best for replacements, backups, or whole-project brand swaps after you stitch a small sample on the target fabric.
Decision guide
When to trust DMC 3812 to J&P Coats 6186
This page is strongest as a decision aid, not as a guarantee that two branded skeins will vanish into each other without testing.
Best for
- + Replacing missing floss when DMC 3812 is unavailable and J&P Coats 6186 is good enough after a stitched sample check.
- + Shortlisting a J&P Coats substitute before you buy skeins, especially if your project can tolerate small differences in sheen or dye lot.
- + Comparing this J&P Coats candidate against the other conversions and nearby DMC shades linked from the page before you commit to a full swap.
Watch for
- ! Close matches are not safe to assume interchangeable in focal areas without a physical test on your fabric.
- ! Brand sheen, strand thickness, and project lighting can make DMC 3812 and J&P Coats 6186 look further apart than the stored match rating suggests.
- ! If the design depends on smooth gradients or skin-tone transitions, compare this swap against the neighboring DMC shades before you substitute a large block.
Before you commit
- Compare DMC 3812 and J&P Coats 6186: lay the physical skeins together in daylight before you mix brands in the same stitched area.
- Test on your project fabric: stitch a small sample so fabric color and stitch density reveal whether the match still holds at full coverage.
- Keep a fallback ready: if the swap feels off, use the linked related DMC shades or another brand conversion instead of forcing the closest stored match.
DMC 3812 to J&P Coats FAQ
These answers are the same statements published in this page's FAQ structured data.
What is the J&P Coats equivalent of DMC 3812?+
The closest J&P Coats equivalent to DMC 3812 (Very Dark Seagreen) is J&P Coats 6186. This is a close match.
Is the DMC 3812 to J&P Coats conversion exact?+
The conversion from DMC 3812 (Very Dark Seagreen) to J&P Coats 6186 is rated as a close match. Thread colors vary slightly between brands, so compare physical thread in daylight before stitching a large area.
Can I mix DMC 3812 and J&P Coats 6186 in the same project?+
You can use DMC 3812 and J&P Coats 6186 together when the close match is acceptable for your project, but always test them side by side on your fabric first because sheen and dye lots can create visible differences.
Other Conversions for DMC 3812
Similar DMC Colors
Shades closest to DMC 3812 — handy if J&P Coats 6186 isn't quite right:
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