Cosmo Embroidery Floss

373

Teals family

Looking up Cosmo 373? It's a medium-light teal shade (#77B8BE / RGB 119, 184, 190). 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
#77B8BE
RGB
119, 184, 190
HSL
185°, 35%, 61%
Lab
70.8, -19.1, -9.6
Lightness
61%
Light
Saturation
35%
Muted
Hue
185°
Family
Teals

Brand Equivalents for Cosmo 373

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

Cosmo 373

Sullivans

Turquoise Light 45134 83% Good
Peacock Blue Light 45383 73% Approx
Peacock Blue 45213 61% Fair
Turquoise Very Light 45408 52% Fair
Celadon Green Light 45414 50% Fair

Crescent Colours

Key Largo 107 70% Approx
Really Teally 104 51% Fair
Snips and Snails 087 46% Fair
Lettuce Leaf 020 44% Fair
Baby Blanket 093 25% Fair

Similar Cosmo Colors to 373

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

Working with Cosmo 373

On white fabric
2.2:1
On dark fabric
9.4:1
Temperature
cool
Closest to
sky blue

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

Color Harmonies for Cosmo 373

Cosmo threads that pair well with 373, 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

Teals Family

Cosmo 373 in context with nearby shades from the teals color family.

About Cosmo 373

Meet Cosmo 373 — a moderately saturated, medium-light hand-dyed thread in the teals family. The shade reads as easygoing and clear — a go-to choice for coastal scenes and dragonflies. It also turns up in patterns built around turtle designs and mermaid motifs.

Frequently Asked Questions

Cosmo 373 — what color is it?

Cosmo 373 is a medium-light teal thread (hex #77B8BE, RGB 119, 184, 190). It shows up most in tropical motifs and cool accents.

What is the DMC equivalent of Cosmo 373?

The closest DMC match for Cosmo 373 is DMC 598 (Turquoise light) with a 89% match based on visual color similarity. Other near matches include DMC 3811 (Turquoise very light, 74%) and DMC 519 (Sky Blue, 62%).

Which Cosmo threads are close to 373?

The closest Cosmo threads to 373 are 563 (ΔE 5.05), 372 (ΔE 5.06), and 2017 (ΔE 5.49). These are useful substitutes when 373 is unavailable or for building gradients.

What is Cosmo 373 good for?

Cosmo 373 is commonly used in cross-stitch projects featuring tropical motifs, cool accents, nature themes, ocean waves. Its medium-light tone works well for standalone motifs and as part of larger palettes. This page includes color harmonies and similar shades to pair with 373.

What fabric color works best with Cosmo 373?

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, 373 has a contrast ratio of about 2.2:1 on white fabric and 9.4:1 on black. As a cool shade, its cool cast recedes visually — useful for backgrounds, shadows, water and sky, and calm, restful palettes.