Cosmo Embroidery Floss

538

Greens family

Cosmo 538 has hex #26362C and RGB 38, 54, 44. This dark, muted green thread sits alongside its closest Classic Colorworks, Weeks Dye Works, and Gentle Art Sampler matches below, with 8 similar Cosmo shades and a panel of color harmonies for palette planning.

Hex
#26362C
RGB
38, 54, 44
HSL
143°, 17%, 18%
Lab
21.0, -9.1, 4.2
Lightness
18%
Very dark
Saturation
17%
Neutral
Hue
143°
Family
Greens

Brand Equivalents for Cosmo 538

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

Cosmo 538

Sullivans

Pistachio Green Very Dark 45060 68% Approx
Fern Green Dark 45117 67% Approx
Avocado Green Dark 45277 62% Fair
Blue Green Dark 45110 61% Fair
Pistachio Green Ultra Dark 45243 58% Fair

Crescent Colours

Blackbird 164 91% Good
Spinach 029 68% Approx
Erin Go Emerald 165 64% Fair
English Ivy 179 47% Fair
Balsam Fir 157 46% Fair

Similar Cosmo Colors to 538

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

Working with Cosmo 538

On white fabric
12.8:1
On dark fabric
1.6:1
Temperature
soft cool
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

Very dark shades like Cosmo 538 are workhorses for backstitch outlines, lettering, and fine detail — the depth reads cleanly at a single strand over one.

Color Harmonies for Cosmo 538

Cosmo threads that pair well with 538, 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

Greens Family

Cosmo 538 in context with nearby shades from the greens color family.

About Cosmo 538

Cosmo 538 is a dark, muted shade in the greens family with cool forest tones. It has a bold and brooding feel that suits herb gardens and forest canopies particularly well. Designers often pair this shade with cactus motifs or shamrock designs for balanced palettes.

Frequently Asked Questions

What does Cosmo 538 look like?

Cosmo 538 is a dark shade in the greens family with hex #26362C and RGB 38, 54, 44. Stitchers reach for it in projects featuring foliage and nature scenes.

Which DMC thread matches Cosmo 538?

The closest DMC match for Cosmo 538 is DMC 500 (Blue Green very dark) with a 82% match based on visual color similarity. Other near matches include DMC 934 (Black Avocado Green, 75%) and DMC 890 (Pistachio Green ultra dark, 72%).

What Cosmo colors are similar to 538?

The closest Cosmo threads to 538 are 122 (ΔE 4.85), 537 (ΔE 7.18), and 637 (ΔE 7.77). These are useful substitutes when 538 is unavailable or for building gradients.

When should I use Cosmo 538?

Reach for Cosmo 538 when your project calls for foliage, nature scenes, holiday projects, landscape details. Its dark character carries both small accents and wider palette work; the harmony picks on this page show natural companions to 538.

Is Cosmo 538 good for backstitching and outlines?

Yes — very dark shades like 538 are among the most-used backstitch and outlining colors. Work it in a single strand over one for crisp edges, lettering, and fine detail.