637
Greens family
Cosmo 637 is a dark, muted green shade with hex code #2F3F23 and RGB values 47, 63, 35. Below you'll find the closest J&P Coates, Sullivans, and Classic Colorworks equivalents — ranked by visual color similarity — plus 8 similar Cosmo shades and color harmony pairings.
Brand Equivalents for Cosmo 637
Top 5 closest matches in each brand, ranked by visual color similarity. How matching works
DMC
Anchor
Madeira
J&P Coates
Sullivans
Classic Colorworks
Weeks Dye Works
Gentle Art Sampler
Valdani
Crescent Colours
Similar Cosmo Colors to 637
Closest Cosmo threads by perceptual color distance, sorted from most to least similar.
Working with Cosmo 637
It pops on white and light fabric but nearly disappears on black, so pair it with a light or neutral ground.
Because it is so deep, Cosmo 637 holds its own as an outlining and lettering color where lighter threads would get lost against the fill.
Its nearest neighbor, Cosmo 2016, is barely a step away (ΔE 1.07). Tweed the two together for subtle shading, or substitute freely when one is out of stock.
Color Harmonies for Cosmo 637
Cosmo threads that pair well with 637, based on color theory harmony rules in CIELAB color space.
Greens Family
Cosmo 637 in context with nearby shades from the greens color family.
About Cosmo 637
Cosmo 637 is a dark, muted shade from the greens family with yellow-green tones. This thread brings a dark and steady presence to projects featuring nature scenes or holiday projects. Look for it in charts that feature landscape details or ferns.
Frequently Asked Questions
What color is Cosmo 637?
Cosmo 637 is a dark green shade (hex #2F3F23, RGB 47, 63, 35) in the greens family, commonly used for shamrock designs, frog patterns, and similar motifs.
What's the closest DMC match for Cosmo 637?
The closest DMC match for Cosmo 637 is DMC 895 (Hunter Green very dark) with a 83% match based on visual color similarity. Other near matches include DMC 3345 (Hunter Green dark, 78%) and DMC 520 (Fern Green dark, 76%).
What's a good substitute for Cosmo 637?
The closest Cosmo threads to 637 are 2016 (ΔE 1.07), 636 (ΔE 1.52), and 926 (ΔE 1.67). These are useful substitutes when 637 is unavailable or for building gradients.
What projects use Cosmo 637?
Cross-stitchers pull Cosmo 637 for charts featuring shamrock designs, frog patterns, moss textures, avocado themes. The dark tone reads cleanly on its own and slots into multi-color palettes — see the color harmonies below for pairing ideas.
Is Cosmo 637 good for backstitching and outlines?
Yes — very dark shades like 637 are among the most-used backstitch and outlining colors. Work it in a single strand over one for crisp edges, lettering, and fine detail.