Walk through any textile market in Jaipur and you will see labels promising natural dyes, eco-friendly colours or vegetable prints. Some are genuine, some are loosely used marketing terms. If you are buying block printed fabric, commissioning a run, or planning a live printing activity, it helps to understand the two main ways colour gets onto cloth: natural dyes and pigment colours. Neither is simply good or bad. They are different tools with different strengths.
What natural dyes actually are
Natural dyes come from plants, minerals and occasionally insects. In Rajasthan the traditional palette includes:
- Indigo for blues, from the indigo plant, fermented in vats.
- Madder and al root for reds and pinks.
- Harda (myrobalan) for a yellowish ground and as a mordant.
- Pomegranate rind and turmeric for yellows.
- Iron, usually as a ferment of rusted iron and jaggery, for blacks and greys.
Most natural dyes do not stick to cotton on their own. They need a mordant, typically alum or iron, which acts like a bridge between fibre and dye. In traditional printing, the printer often prints the mordant, not the colour. The cloth is then boiled in a dye bath, and colour develops only where the mordant was printed. That is why an alum print on harda-treated cloth turns red after a madder bath, while iron areas turn black.
The time involved
Natural dye printing is slow. Fabric is pre-treated, printed, dried, aged, boiled, washed in running water and sun-dried, sometimes over many days. Resist techniques like dabu add more cycles of dipping and drying. This is part of the beauty, but it also means natural dye work cannot be finished within an afternoon event.
What pigment colours are
Pigment printing uses finely ground colour particles mixed with a binder and a thickener. The pigment does not chemically bond with the fibre; instead, the binder glues it to the surface of the cloth. Heat curing, through steaming, a curing chamber or a hot iron or press, sets the binder so the print survives washing.
Pigment is now widely used in block printing centres, including much of Sanganer, because it is fast, consistent and offers a very wide range of bright, even shades.
How they compare in practice
Look and feel
Natural dyes soak into the fibre, so the fabric stays soft and the colours have a slightly uneven, layered depth. Blues shift, reds can lean brick or rose, and every batch varies a little. Pigment prints sit on the surface and can feel a touch stiffer where colour is heavy, though good binders keep this mild. Pigment colours are flatter and more uniform.
Colour range
Natural dyes give a beautiful but limited palette: indigos, rusts, madder reds, mustard yellows, blacks, and the shades you get by combining them. Pigment offers almost any colour, including pastels, neons and metallic effects.
Durability
Well-fixed natural dyes are washfast but may soften and mellow over years, which many people love. Some, such as certain yellows, are less lightfast and fade in strong sun. Properly cured pigment prints are washfast too, but poorly cured pigment can crack or rub off. In both cases, the skill of the printer matters as much as the material.
Environmental impact
Natural dyes avoid many synthetic chemicals, but they still use water, fuel for boiling and mordants that need responsible handling. Pigment printing uses less water and energy in fixing, but relies on synthetic binders. Rather than assuming one is always greener, ask how a workshop manages water, waste and working conditions.
Spotting genuine natural dye fabric
- Price and pace: Natural dye work takes longer and usually costs more. Very cheap, very bright fabric labelled natural deserves a second look.
- Colour palette: Neon pinks or electric greens are not from traditional natural dyes.
- Back of the fabric: Dyed cloth usually shows colour through to the back more evenly; pigment prints often look lighter on the reverse.
- Ask directly: A good seller will tell you which dyes and mordants were used.
Which one suits a live event?
At weddings, corporate offsites and exhibitions, guests want to print and leave with a finished piece. That is only practical with water-based pigment fabric colours, heat-set on site. This is what we use at our live stations, with colours chosen to echo traditional palettes such as indigo blue, madder red, harda yellow and iron black, so the look stays rooted in Rajasthan.
For clients who want a deeper connection to natural dyes, we can include a short demonstration or display of natural dye samples and explain the dabu process, so guests understand the full story even if their own piece is pigment-printed. Read more about our setup on the Jaipur block printing workshops page, or see past stations in our gallery.
In short
Natural dyes offer depth, history and soft character at the cost of time. Pigment colours offer speed, range and convenience. Choose based on purpose: a family heirloom bedspread deserves natural dyes, while a guest-printed tote at a sangeet is better served by well-fixed pigment. Knowing the difference simply helps you ask better questions and value the work properly.
Block Printing Artist in Jaipur & across India
A hands-on hand block printing station rooted in Sanganeri and Bagru craft, where guests print their own tote bag, stole or napkin to take home.