rainbow Archives - Botanical Colors

Tannin Rainbow Online workshop with Kathy Hattori

Tannin Rainbow Online workshop with Kathy Hattori Online workshop held on Saturday January 18, 2025 10AM-1PM Pacific The workshop will be recorded and available for 120 days after purchase. Learn how to create striking color gradations using our pre-mordanted cotton fabric fat quarters, natural dyes, indigo and a few surprises. Tannins are a bitter and astringent compound found so abundantly in many plants. In food, they serve as the slight pucker in black coffee and tea, and the “oaky” flavor in aged wines. Tannins are used in medicine and for leather tanning. For us, they are the natural dyer’s not-so-secret-weapon … Read more

Mordant Monday: Sneak peek of a new product

Mordanted Sashiko Thread with Different Tannin Options! Now you have the convenience of using tannins and a pre-mordanted thread to create your own color palettes and who doesn’t love that? Pictured from Left to Right: Cutch and Alum mordant, Sumac and Alum mordant, Gallo-Tannin and Alum mordant, and PFD, unmordanted Sashiko Threads We’ve been busy adding to our very popular mordanted product line, and will be offering mordanted Sashiko threads using three different mordant variables. The light brown color is Cutch, a light brown tannin, the yellow is Sumac, a yellow-based tannin, the light cream is Gallo-Tannin, a “clear” tannin, … Read more

Make a Natural Dye Rainbow

We love rainbows, color gradations, anything to show off the beauty and nuance of natural dyes. And now with our pre-mordanted bandanas, you can make a rainbow of your own! Materials Experience level Familiarity with using natural dye extracts, or using raw materials in an immersion dye bath, and with overdyeing colors. Familiarity with indigo and indigo over dyeing. A 6 pack of pre-mordanted bandanas Yellow Orange Red Green Blue or Indigo Purple Process In this rainbow, the “primary” colors of Yellow, Red and Blue along with Purple are not over dyed as you can create those colors with a … Read more