Quick Conversion Table
| Brand | Equivalent | Match |
|---|---|---|
| Anchor | 188 | close |
| Madeira | 2706 | close |
| Cosmo ⚠ | 900 | close |
| Sullivans | 45409 | close |
| J&P Coats | 6186 | close |
| Dimensions | 16187 | close |
Sea green as a color concept is notoriously imprecise — it can mean anything from a pale sage to a deep teal depending on who's using it. What makes DMC 3812 distinctive is that it resolves this ambiguity decisively. At hex #2F8C84, Very Dark Seagreen is a deep, saturated blue-green: darker and more blue than many threads that use 'green' in their name, but clearly more green than a pure teal or turquoise. It reads as the color of deep coastal water in a rocky cove — where the water is deep enough to carry blue but the algae and seabed give it a green cast.
The thread has a slightly different quality from the peacock and turquoise families despite sharing some color territory. Where those families lean warmer and more vivid, 3812's blue-green balance is slightly more towards the cooler green side — more specifically marine, more like actual sea color in northern coastal regions. This makes it particularly appropriate in maritime, coastal, and marine biology-inspired designs.
Marine and Coastal Design Applications
Seascape designs depend on threads like 3812 for authenticity. The color of deep water near a rocky coast, the tidal pool green-blue, the color beneath the surface of a wave breaking against stone — all of these exist in this specific dark blue-green range. Combined with DMC 3765 (Very Dark Peacock Blue) for the deepest shadow water and DMC 3813 (Light Blue Green) for surface shimmer, 3812 builds the mid-water dark that makes the whole seascape feel like it has depth.
For specifically northern European maritime designs — Scottish coastal scenes, Norwegian fjord landscapes, Irish sea imagery — 3812 is more accurate than the warmer turquoises that suggest tropical water. The slightly cooler, more distinctly green quality of this thread reads as Atlantic rather than Caribbean.
Botanical and Foliage Applications
Beyond marine contexts, 3812 is surprisingly useful in dark botanical work. The darkest shadows in fleshy, succulent-type plant designs — the deep shadow between aloe leaves, the inner shadow of a large tropical leaf, the shaded undersurface of a broad botanical specimen — can use 3812 effectively. It reads as dark botanical green without the muddy quality that straight greens sometimes acquire in their shadow positions.
In Japanese-influenced designs — koi pond water areas, iris marsh scenes, lotus pond backgrounds — 3812 provides the deep water color that Japanese decorative tradition uses extensively. The color is characteristic of dark pond water with aquatic vegetation, which is a specific enough visual reference that designs using this tradition read more convincingly with 3812 than with either pure teals or pure greens.
For stitchers working on blackwork or dark-background designs, 3812 is an interesting accent color — dark enough to create subtle interest against a very dark ground, bright enough to read as intentional teal rather than merely dark. On black evenweave stitched with metallic threads and 3812, you can create a Northern Lights or deep-sea atmosphere that's genuinely striking.
A technique consideration worth noting: DMC 3812's saturation level means that railroading shows significant benefit here. In large water background fills where this thread covers significant area, consistent railroading produces a more even, polished surface that reads as genuinely textured water rather than slightly mottled coverage. This is especially visible when the finished piece is photographed or viewed in direct light — the difference between railroaded and non-railroaded coverage in a saturated thread like 3812 is much more visible than in a pale or neutral thread.
Madeira 2706 is an exact match for DMC 3812 — useful to know since Madeira's precision in this dark blue-green range is reliable. If Madeira is your preferred brand or you have easier access to Madeira than DMC in your region, the exact match makes 3812-heavy projects fully viable in Madeira.
Anchor 188 is rated close. It tends to read slightly more blue — pushing 3812's blue-green balance a step toward blue — in most lots. This can be acceptable in marine designs where a slightly bluer deep water is fine, but in botanical applications where the green component is doing important work, the shift can be noticeable.
Cosmo 900 and Sullivans 45409 are both rated close. Cosmo 900 is generally a reasonable substitute in most contexts. Sullivans 45409 varies between lots — checking the specific skein is recommended before using in a large area.
Within DMC, the seagreen range is somewhat isolated — 3812 sits as a relatively unique thread without close DMC family members at every step. DMC 3808 (Ultra Very Dark Turquoise) is in adjacent territory but reads distinctly warmer and more turquoise. DMC 992 (Very Light Aquamarine) goes considerably lighter. DMC 561 (Very Dark Jade) and DMC 562 (Medium Jade) cover related dark blue-green territory from a more distinctly green angle. DMC 500 (Very Dark Blue Green) is the darkest of the adjacent blue-greens.
Reference quality
How We Validate This Color Record
Use this page as a reference card for DMC 3812: the structured data, quick conversions, and long-form copy are all tied back to the same stored color record.
- Methodology
- This page renders DMC 3812, its hex value, and every brand equivalent from the site's source-of-truth color record, then checks long-form body copy against those same stored fields.
- Verification status
- Source-field checked. The page content is audited against the stored DMC number, brand equivalents, and match-quality labels before publishing.
- Last reviewed
- 2026-04-20
- Approximation warning
- Screen hex values, thread photos, and cross-brand conversions are reference aids. Dye lots, thread sheen, and fabric color can still shift the result in hand.
Decision guide
When to use the DMC 3812 reference page
This page should help you decide faster between palette planning, brand substitution, and shade comparison without turning the color record into a thin lookup page.
Best for
- + Palette planning when you want the stored DMC 3812 Very Dark Seagreen record, hex value #2F8C84, and linked brand equivalents in one place.
- + Checking the quickest cross-brand shortlist before you buy floss, compare stash substitutes, or route into a more specific conversion page.
- + Finding nearby shades in the greens family before you commit to accents, shading, or background blends.
Watch for
- ! Screen previews are only reference aids. Very Dark Seagreen can shift on real fabric because thread sheen, stitch coverage, and room lighting change how the color reads.
- ! A stored equivalent is still a shortlist, not a guarantee that two brands will disappear into each other in the same stitched motif.
- ! Older charts, discontinued kit floss, and dye-lot variation can all introduce small but visible differences that the page cannot detect for you.
Before you commit
- Confirm the role of DMC 3812 Very Dark Seagreen: decide whether you need an exact hero shade, a forgiving background, or a rough stash substitute.
- Compare on project fabric: view the skein or stitched sample on the same fabric count and color you will actually use.
- Use the linked conversion pages next: open the brand-specific pages when you need match-quality caveats before substituting away from the DMC reference.
DMC 3812 FAQ
These questions appear on the page so the FAQ schema stays aligned with what visitors can actually read.
What is the Anchor equivalent of DMC 3812?+
The closest Anchor equivalent to DMC 3812 (Very Dark Seagreen) is Anchor 188. This is a close match.
What color is DMC 3812?+
DMC 3812 is called "Very Dark Seagreen" and has a hex color value of #2F8C84. It belongs to the greens color family.
What is the Madeira equivalent of DMC 3812?+
The closest Madeira equivalent to DMC 3812 (Very Dark Seagreen) is Madeira 2706. This is a close match.
How DMC 3812 Looks on Fabric
The same thread appears different depending on your fabric. Always test on your project fabric.
White Aida
Cream / Ecru
Black Aida
Pairs Well With
DMC colors commonly used alongside 3812 Very Dark Seagreen.
Suggested Palette
Shading Companions
Detailed Conversions
Where to Buy DMC 3812
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