Cosmo Embroidery Floss

309

Browns family

Looking up Cosmo 309? It's a medium-dark brown shade (#855430 / RGB 133, 84, 48). Scroll down for Crescent Colours, DMC, and Anchor equivalents ranked by visual similarity, plus 8 close Cosmo alternatives and curated color harmonies.

Hex
#855430
RGB
133, 84, 48
HSL
25°, 47%, 35%
Lab
40.5, 16.6, 29.2
Lightness
35%
Dark
Saturation
47%
Muted
Hue
25°
Family
Browns

Brand Equivalents for Cosmo 309

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

Cosmo 309

Sullivans

Yellow Beige Very Dark 45482 85% Good
Hazel Nut Brown Dark 45092 74% Approx
Mocha Beige Medium 45461 73% Approx
Old Gold Very Dark 45426 73% Approx
Mocha Beige Dark 45460 72% Approx

Crescent Colours

Brandied Pears 171 87% Good
Roasted Chestnut 155 86% Good
Little House Brown 118 71% Approx
Sassy Brass 071 68% Approx
Rod and Reel 116 65% Approx

Similar Cosmo Colors to 309

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

Working with Cosmo 309

On white fabric
6.3:1
On dark fabric
3.3:1
Temperature
warm
Closest to
rust

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

Skin tones & portraits

Cosmo 309 falls where flesh tones live; portrait and figure charts lean on shades like it, graded against nearby lighter and darker threads for natural shadow.

Color Harmonies for Cosmo 309

Cosmo threads that pair well with 309, based on color theory harmony rules in CIELAB color space.

Complementary
Opposite on the color wheel — maximum contrast
Analogous
Adjacent hues — smooth, natural transitions
Triadic
Evenly spaced at 120° — vibrant and balanced
Monochromatic
Same hue, different lightness — great for shading

Browns Family

Cosmo 309 in context with nearby shades from the browns color family.

About Cosmo 309

Cosmo 309 sits in the browns family as a medium-dark, moderately saturated shade with earthy sienna tones. Expect a rich and grounded look that suits cinnamon motifs, bark patterns, and similar motifs. Cross stitch enthusiasts often reach for this thread when stitching gingerbread themes or tree trunks.

Frequently Asked Questions

Cosmo 309 — what color is it?

Cosmo 309 is a medium-dark brown thread (hex #855430, RGB 133, 84, 48). It shows up most in wooden textures and coffee themes.

What is the DMC equivalent of Cosmo 309?

The closest DMC match for Cosmo 309 is DMC 3862 (Mocha Beige dark) with a 77% match based on visual color similarity. Other near matches include DMC 780 (Topaz ultra very dark, 77%) and DMC 434 (Brown light, 75%).

Which Cosmo threads are close to 309?

The closest Cosmo threads to 309 are 577A (ΔE 5.25), 578 (ΔE 6.22), and 706 (ΔE 6.44). These are useful substitutes when 309 is unavailable or for building gradients.

What is Cosmo 309 good for?

Cosmo 309 is commonly used in cross-stitch projects featuring wooden textures, coffee themes, rustic designs, leather accents. Its medium-dark tone works well for standalone motifs and as part of larger palettes. This page includes color harmonies and similar shades to pair with 309.

What fabric color works best with Cosmo 309?

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, 309 has a contrast ratio of about 6.3:1 on white fabric and 3.3:1 on black. As a warm shade, its warm cast advances toward the viewer — good for focal points, highlights, and cozy, inviting palettes.