Cosmo Embroidery Floss

900

Teals family

Looking up Cosmo 900? It's a medium-dark teal shade (#367B6E / RGB 54, 123, 110). 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
#367B6E
RGB
54, 123, 110
HSL
169°, 39%, 35%
Lab
47.1, -25.2, 0.5
Lightness
35%
Dark
Saturation
39%
Muted
Hue
169°
Family
Teals

Brand Equivalents for Cosmo 900

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

Cosmo 900

Sullivans

Teal Green Medium 45446 84% Good
Aquamarine 45411 83% Good
Celadon Green Medium 45478 62% Fair
Blue Green 45111 62% Fair
Sea Green Very Dark 45409 57% Fair

Crescent Colours

Shamrock 028 56% Fair
Meadow Green 021 41% Fair
St. Bernard 105 25% Fair
Bejeweled 095 25% Fair
Fancy Green Nancy 117 24% Fair

Similar Cosmo Colors to 900

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

Working with Cosmo 900

On white fabric
5:1
On dark fabric
4.2:1
Temperature
cool
Closest to
teal

It stands out clearly on both white and dark fabric, so it is an easy, versatile choice for any ground.

Color Harmonies for Cosmo 900

Cosmo threads that pair well with 900, 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 900 in context with nearby shades from the teals color family.

About Cosmo 900

Meet Cosmo 900 — a moderately saturated, medium-dark hand-dyed thread in the teals family. The shade reads as rich and grounded — 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 900 — what color is it?

Cosmo 900 is a medium-dark teal thread (hex #367B6E, RGB 54, 123, 110). It shows up most in tropical motifs and cool accents.

What is the DMC equivalent of Cosmo 900?

The closest DMC match for Cosmo 900 is DMC 3814 (Aquamarine) with a 76% match based on visual color similarity. Other near matches include DMC 3812 (Sea Green very dark, 72%) and DMC 3816 (Celadon Green, 71%).

Which Cosmo threads are close to 900?

The closest Cosmo threads to 900 are 845 (ΔE 5.97), 902 (ΔE 7.11), and 2535 (ΔE 7.4). These are useful substitutes when 900 is unavailable or for building gradients.

What is Cosmo 900 good for?

Cosmo 900 is commonly used in cross-stitch projects featuring tropical motifs, cool accents, nature themes, ocean waves. 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 900.

What fabric color works best with Cosmo 900?

It stands out clearly on both white and dark fabric, so it is an easy, versatile choice for any ground. For reference, 900 has a contrast ratio of about 5:1 on white fabric and 4.2:1 on black. As a cool shade, its cool cast recedes visually — useful for backgrounds, shadows, water and sky, and calm, restful palettes.