Anchor Stranded Cotton

351 — Copper Dark

Browns family

Need details on Anchor 351? This dark, vivid brown shade (Copper Dark) is hex #66330E, RGB 102, 51, 14. Cross-brand equivalents in Weeks Dye Works, Gentle Art Sampler, and Valdani are listed below — ranked by perceptual similarity — alongside 8 nearby Anchor shades and color-theory harmony pairings.

Hex

#66330E

RGB

102, 51, 14

HSL

25°, 76%, 23%

Lab

27.4, 20.1, 31.9

Lightness

23%

Dark

Saturation

76%

Rich

Hue

25°

Family

Browns

Brand Equivalents for Anchor 351

Top 5 closest matches in each brand, ranked by visual color similarity. How matching works

Anchor 351 Copper Dark

Sullivans

Golden Olive Very Dark 45230 90% Good

Hazel Nut Brown Very Dark 45242 82% Good

Golden Olive Dark 45231 72% Approx

Brown Medium 45094 68% Approx

Brown Light 45095 61% Fair

Cosmo

578 74% Approx 2310 66% Approx 130 58% Fair 3311 57% Fair 310 50% Fair

Classic Colorworks

Roasted Chestnut 80% Good Bramble Bush 71% Approx Old Oak Tree 67% Approx Brandied Pears 66% Approx Autumn Spice 64% Fair

Weeks Dye Works

Hazelnut 2237 70% Approx Cognac 2242 68% Approx Gingerbread 1234 57% Fair Chestnut 1269 52% Fair Brick 1331 50% Fair

Gentle Art Sampler

Brown Bear 1191 53% Fair Acorn 0111 44% Fair Cobblestone 1090 20% Fair Fisherman's Wharf 1190 13% Fair Witching Hour 0391 12% Fair

Valdani

Golden Brown dark H201 70% Approx Golden Olive very dark 154 61% Fair Topaz ultra very dark 14 52% Fair Mocha Brown dark 1643 42% Fair Rosewood medium 159 40% Fair

Crescent Colours

Brown Sugar 178 84% Good

Whatley Woodlands 153 78% Approx

Rod and Reel 116 61% Fair

Fallen Leaves 067 54% Fair

Almost Auburn 156 46% Fair

Similar Anchor Colors to 351

Closest Anchor threads by perceptual color distance, sorted from most to least similar.

Anchor 351 Copper Dark

Coffee Dark Anchor 358 Very close ΔE 3.25 Coffee Medium Dark Anchor 371 Very close ΔE 3.3 Chocolate Dark Anchor 357 Very close ΔE 3.71 Tan Very Dark Anchor 944 Very close ΔE 4.27 Chocolate Medium Dark Anchor 355 Very close ΔE 4.44 Coffee Very Dark Anchor 359 Very close ΔE 4.65 Copper Very Dark Anchor 352 Very close ΔE 4.67 Drab Brown Very Dark Anchor 889 Close ΔE 5.34

Working with Anchor 351

On white fabric

10.3:1

On dark fabric

2:1

Temperature

warm

Closest to

chocolate

It has moderate contrast on both light and dark fabric — usable on either, but test a few stitches on your chosen ground first.

Bold accents & focal points

Anchor 351 (Copper Dark) is vivid enough to carry a focal point; use it sparingly for accents so it stays the star rather than competing across the whole piece.

Color Harmonies for Anchor 351

Anchor threads that pair well with 351, based on color theory harmony rules in CIELAB color space.

Complementary

Opposite on the color wheel — maximum contrast

351

1068 Teal

Analogous

Adjacent hues — smooth, natural transitions

351

924 Yellow Green Very Dark 896 Shell Pink

Triadic

Evenly spaced at 120° — vibrant and balanced

351

188 Turquoise Dark 132 Sky Blue Dark

Monochromatic

Same hue, different lightness — great for shading

351

349 Chocolate Medium 1047 Copper Light 1012 Flesh

Browns Family

Anchor 351 in context with nearby shades from the browns color family.

351 Copper Dark 351 374 Tan Dark 374 371 Coffee Medium Dark 371 358 Coffee Dark 358 310 Topaz Very Dark 310 936 Dusty Flesh Very Dark 936 889 Drab Brown Very Dark 889 904 Brown Grey Medium 904 357 Chocolate Dark 357 359 Coffee Very Dark 359 352 Copper Very Dark 352

About Anchor 351

A dark, vivid entry in the browns family, Anchor 351 carries the name Copper Dark with earthy sienna tones. Stitchers describe its character as striking and rich, perfect for bark patterns and gingerbread themes. It blends comfortably into projects centered on tree trunks and earth tones.

Frequently Asked Questions

What color is Anchor 351?

Anchor 351 is called Copper Dark. It's a dark brown shade (hex #66330E, RGB 102, 51, 14) in the browns family, commonly used for coffee themes, rustic designs, and similar motifs.

What's the closest DMC match for Anchor 351?

The closest DMC match for Anchor 351 (Copper Dark) is DMC 433 (Brown medium) with a 74% match based on visual color similarity. Other near matches include DMC 975 (Golden Brown dark, 70%) and DMC 869 (Hazelnut Brown very dark, 68%).

What's a good substitute for Anchor 351?

The closest Anchor threads to 351 are 358 Coffee Dark (ΔE 3.25), 371 Coffee Medium Dark (ΔE 3.3), and 357 Chocolate Dark (ΔE 3.71). These are useful substitutes when 351 is unavailable or for building gradients.

What projects use Anchor 351?

Cross-stitchers pull Anchor 351 (Copper Dark) for charts featuring coffee themes, rustic designs, leather accents, horse designs. The dark tone reads cleanly on its own and slots into multi-color palettes — see the color harmonies below for pairing ideas.

What fabric color works best with Anchor 351 (Copper Dark)?

It has moderate contrast on both light and dark fabric — usable on either, but test a few stitches on your chosen ground first. For reference, 351 has a contrast ratio of about 10.3:1 on white fabric and 2:1 on black. As a warm shade, its warm cast advances toward the viewer — good for focal points, highlights, and cozy, inviting palettes.

Anchor Color Chart DMC ↔ Anchor Conversion