Cosmo Embroidery Floss

601

Blacks family

Cosmo 601 is a dark, subdued black shade with hex code #2E2A31 and RGB values 46, 42, 49. Below you'll find the closest Valdani, Crescent Colours, and DMC equivalents — ranked by visual color similarity — plus 8 similar Cosmo shades and color harmony pairings.

Hex
#2E2A31
RGB
46, 42, 49
HSL
274°, 8%, 18%
Lab
17.7, 3.5, -3.9
Lightness
18%
Very dark
Saturation
8%
Neutral
Hue
274°
Family
Blacks

Brand Equivalents for Cosmo 601

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

Cosmo 601

Sullivans

Beaver Grey Ultra Dark 45241 61% Fair
Pewter Grey Very Dark 45397 57% Fair
Ash Grey Very Light 45121 57% Fair
Pewter Grey Dark 45089 56% Fair
Black Brown 45351 46% Fair

Crescent Colours

Black Coffee 004 83% Good
Wavy Navy 075 82% Good
Purple Aster 070 75% Approx
Tartan Plaid 073 60% Fair
Nighty Nite 160 40% Fair

Similar Cosmo Colors to 601

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

Cosmo 601
Cosmo 478 Very close ΔE 3.28 Cosmo 2030 Very close ΔE 4.36 Cosmo 156 Very close ΔE 4.43 Cosmo 477 Close ΔE 5.18 Cosmo 603 Noticeable ΔE 6.44 Cosmo 312 Noticeable ΔE 6.84 Cosmo 895 Noticeable ΔE 7.91 Cosmo 2029 Noticeable ΔE 8.27

Working with Cosmo 601

On white fabric
14.1:1
On dark fabric
1.5:1
Temperature
neutral
Closest to
charcoal

It pops on white and light fabric but nearly disappears on black, so pair it with a light or neutral ground.

Backstitch & outlines

Because it is so deep, Cosmo 601 holds its own as an outlining and lettering color where lighter threads would get lost against the fill.

Color Harmonies for Cosmo 601

Cosmo threads that pair well with 601, based on color theory harmony rules in CIELAB color space.

Complementary
Opposite on the color wheel — maximum contrast
601
895 Cosmo 895
Analogous
Adjacent hues — smooth, natural transitions
601
2030 Cosmo 2030 156 Cosmo 156
Triadic
Evenly spaced at 120° — vibrant and balanced
601
312 Cosmo 312 538 Cosmo 538
Monochromatic
Same hue, different lightness — great for shading
601
154 Cosmo 154 473 Cosmo 473 111 Cosmo 111

Blacks Family

Cosmo 601 in context with nearby shades from the blacks color family.

601 601 601 155 155 155 895 895 895 156 156 156 600 600 600

About Cosmo 601

A dark, subdued entry in the blacks family, that's Cosmo 601. Its dark and steady presence shines in wrought iron and night skies alike. Pull this thread for silhouettes or calligraphy when you need a dependable shade.

Frequently Asked Questions

What color is Cosmo 601?

Cosmo 601 is a dark black shade (hex #2E2A31, RGB 46, 42, 49) in the blacks family, commonly used for shadow textures, outlines, and similar motifs.

What's the closest DMC match for Cosmo 601?

The closest DMC match for Cosmo 601 is DMC 3799 (Pewter Grey very dark) with a 68% match based on visual color similarity. Other near matches include DMC 3371 (Black Brown, 66%) and DMC 939 (Navy Blue very dark, 63%).

What's a good substitute for Cosmo 601?

The closest Cosmo threads to 601 are 478 (ΔE 3.28), 2030 (ΔE 4.36), and 156 (ΔE 4.43). These are useful substitutes when 601 is unavailable or for building gradients.

What projects use Cosmo 601?

Cross-stitchers pull Cosmo 601 for charts featuring shadow textures, outlines, lettering, bold contrast. The dark tone reads cleanly on its own and slots into multi-color palettes — see the color harmonies below for pairing ideas.

Is Cosmo 601 good for backstitching and outlines?

It's an excellent outline color. The depth of 601 defines edges and text cleanly where lighter threads would disappear into the fill; one strand is usually enough for backstitch.

Cosmo Color Chart Cosmo ↔ DMC Conversion