Cosmo Embroidery Floss

537

Greens family

Looking up Cosmo 537? It's a dark green shade (#214331 / RGB 33, 67, 49). Scroll down for Sullivans, Classic Colorworks, and Weeks Dye Works equivalents ranked by visual similarity, plus 8 close Cosmo alternatives and curated color harmonies.

Hex
#214331
RGB
33, 67, 49
HSL
148°, 34%, 20%
Lab
25.4, -17.4, 7.2
Lightness
20%
Very dark
Saturation
34%
Muted
Hue
148°
Family
Greens

Brand Equivalents for Cosmo 537

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

Cosmo 537

Sullivans

Jade Very Dark 45127 81% Good
Hunter Green Very Dark 45248 69% Approx
Fern Green Dark 45117 69% Approx
Pistachio Green Very Dark 45060 68% Approx
Teal Green Dark 45445 67% Approx

Crescent Colours

Erin Go Emerald 165 75% Approx
Blackbird 164 62% Fair
Spinach 029 51% Fair
English Ivy 179 46% Fair
Steamed Broccoli 181 41% Fair

Similar Cosmo Colors to 537

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

Working with Cosmo 537

On white fabric
11:1
On dark fabric
1.9:1
Temperature
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

Because it is so deep, Cosmo 537 holds its own as an outlining and lettering color where lighter threads would get lost against the fill.

Color Harmonies for Cosmo 537

Cosmo threads that pair well with 537, 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 537 in context with nearby shades from the greens color family.

About Cosmo 537

A dark, moderately saturated entry in the greens family, that's Cosmo 537 with cool forest tones. The shade reads as dark and rich — a go-to choice for ferns and herb gardens. It also turns up in patterns built around forest canopies and cactus motifs.

Frequently Asked Questions

What color is Cosmo 537?

Cosmo 537 is a dark green shade (hex #214331, RGB 33, 67, 49) in the greens family, commonly used for avocado themes, foliage, and similar motifs.

What's the closest DMC match for Cosmo 537?

The closest DMC match for Cosmo 537 is DMC 319 (Pistachio Green very dark) with a 89% match based on visual color similarity. Other near matches include DMC 895 (Hunter Green very dark, 80%) and DMC 890 (Pistachio Green ultra dark, 79%).

What's a good substitute for Cosmo 537?

The closest Cosmo threads to 537 are 121 (ΔE 4.51), 4905 (ΔE 5.9), and 2016 (ΔE 6.62). These are useful substitutes when 537 is unavailable or for building gradients.

What projects use Cosmo 537?

Cross-stitchers pull Cosmo 537 for charts featuring avocado themes, foliage, nature scenes, holiday projects. The dark tone reads cleanly on its own and slots into multi-color palettes — see the color harmonies below for pairing ideas.

Is Cosmo 537 good for backstitching and outlines?

It's an excellent outline color. The depth of 537 defines edges and text cleanly where lighter threads would disappear into the fill; one strand is usually enough for backstitch.