600
Blacks family
Below: Cosmo 600, a very dark, subdued black shade with hex #101113 and RGB 16, 17, 19. Find its closest Gentle Art Sampler, Valdani, and Crescent Colours matches ranked by visual similarity, plus 8 similar Cosmo shades and a full set of color harmony picks.
Brand Equivalents for Cosmo 600
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 600
Closest Cosmo threads by perceptual color distance, sorted from most to least similar.
Working with Cosmo 600
It pops on white and light fabric but nearly disappears on black, so pair it with a light or neutral ground.
Cosmo 600 is dark enough to define edges: stitchers reach for shades like it when a design needs crisp backstitch outlines or readable text.
Color Harmonies for Cosmo 600
Cosmo threads that pair well with 600, based on color theory harmony rules in CIELAB color space.
Blacks Family
Cosmo 600 in context with nearby shades from the blacks color family.
About Cosmo 600
Cosmo 600 sits in the blacks family as a very dark, subdued shade. The somber and commanding mood of this color makes it a natural fit for dramatic backgrounds and wrought iron. Expect to see it used in night skies and silhouettes across many cross-stitch charts.
Frequently Asked Questions
Cosmo 600 — what color is it?
Cosmo 600 is a very dark black thread (hex #101113, RGB 16, 17, 19). It shows up most in gothic accents and shadow textures.
What is the DMC equivalent of Cosmo 600?
The closest DMC match for Cosmo 600 is DMC 310 (Black) with a 92% match based on visual color similarity. Other near matches include DMC 3371 (Black Brown, 59%) and DMC 939 (Navy Blue very dark, 49%).
Which Cosmo threads are close to 600?
The closest Cosmo threads to 600 are 312 (ΔE 8.39), 2030 (ΔE 8.49), and 603 (ΔE 9.2). These are useful substitutes when 600 is unavailable or for building gradients.
What is Cosmo 600 good for?
Cosmo 600 is commonly used in cross-stitch projects featuring gothic accents, shadow textures, outlines, lettering. Its very dark tone works well for standalone motifs and as part of larger palettes. This page includes color harmonies and similar shades to pair with 600.
Is Cosmo 600 good for backstitching and outlines?
Yes — very dark shades like 600 are among the most-used backstitch and outlining colors. Work it in a single strand over one for crisp edges, lettering, and fine detail.