300
Yellows family
Cosmo 300 has hex #FAEC4D and RGB 250, 236, 77. This medium-light, highly saturated yellow thread sits alongside its closest DMC, Anchor, and Madeira matches below, with 8 similar Cosmo shades and a panel of color harmonies for palette planning.
Brand Equivalents for Cosmo 300
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 300
Closest Cosmo threads by perceptual color distance, sorted from most to least similar.
Working with Cosmo 300
It reads best on black or dark fabric and can wash out on white, so reach for a dark or mid-tone ground.
With its high saturation, Cosmo 300 draws the eye — a natural pick for focal motifs, small pops of color, and details you want to read first.
Cosmo 300 sits a hair from Cosmo 2299 (ΔE 2.01) — close enough to blend a strand of each for a smooth gradient or to swap one for the other in a pinch.
Color Harmonies for Cosmo 300
Cosmo threads that pair well with 300, based on color theory harmony rules in CIELAB color space.
Yellows Family
Cosmo 300 in context with nearby shades from the yellows color family.
About Cosmo 300
Meet Cosmo 300 — a highly saturated, medium-light hand-dyed thread in the yellows family with sunny yellow tones. Its tone is crisp and versatile, making it a popular choice for sunflowers and highlights. It pairs nicely in designs that call for warm backgrounds or golden accents.
Frequently Asked Questions
Cosmo 300 — what color is it?
Cosmo 300 is a medium-light yellow thread (hex #FAEC4D, RGB 250, 236, 77). It shows up most in daffodils and lemon motifs.
What is the DMC equivalent of Cosmo 300?
The closest DMC match for Cosmo 300 is DMC 307 (Lemon) with a 75% match based on visual color similarity. Other near matches include DMC 445 (Lemon light, 74%) and DMC 727 (Topaz very light, 72%).
Which Cosmo threads are close to 300?
The closest Cosmo threads to 300 are 2299 (ΔE 2.01), 3299 (ΔE 2.84), and 301 (ΔE 3.05). These are useful substitutes when 300 is unavailable or for building gradients.
What is Cosmo 300 good for?
Cosmo 300 is commonly used in cross-stitch projects featuring daffodils, lemon motifs, rubber duck designs, bumblebee patterns. 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 300.
What fabric color works best with Cosmo 300?
It reads best on black or dark fabric and can wash out on white, so reach for a dark or mid-tone ground. For reference, 300 has a contrast ratio of about 1.2:1 on white fabric and 17.2:1 on black. As a warm shade, its warm cast advances toward the viewer — good for focal points, highlights, and cozy, inviting palettes.