Red Hatters United
This is one variant — a specific cloth: this exact thread count and colourway, with its own provenance below. It is one weaving of the sett (the scale-free proportion — the same cloth at any scale or shade), whose colour order is pattern KRKRKRKBKRKR.
Sourced from register-of-tartans. It is a 12 stripe tartan.
Original link https://www.tartanregister.gov.uk/tartanDetails.aspx?ref=3478
2 attestations — the source records this cloth was collapsed from (oldest owns this page)
- 01/04/2007 — Red Hatters United (register-of-tartans, record)
"Our tartan was woven for a particular Canadian Chapter, Sisters Unlimited, of the Red Hat Society. The foundation of the Society was inspired by Jenny Joseph's poem, 'Warning,' who wrote 'When I am an old woman I shall wear purple with a red hat . . .' Our hope is that many thousands of Red Hatters around the world will embrace 'The Purple and The Red' as a unique symbol of our unity!" Woven sample. - April 2007 — Ruby Ramblers Red Hat (Corporate) (tartans-authority, record)
Our tartan was woven for a particular Canadian Chapter, Sisters Unlimited, of the Red Hat Society. The foundation of the Society was inspired by Jenny Joseph's poem, "Warning," who wrote "When I am an old woman I shall wear purple with a red hat . . ." Our hope is that many thousands of Red Hatters around the world will embrace 'The Purple and The Red' as a unique symbol of our unity! Woven sample. The Red Hat Society (RHS) is a social organization founded in 1998 for women approaching the age of 50 and beyond. As of July 2009, there are nearly 40,000 registered members and almost 24,000 chapters in the United States and 25 other countries. The Red Hat Society is the largest women?s social group in the world. Name changed from Red Hatters United (Canada) to the present one on 18th Jan. 2010.
Dataset — provenance for this record, inherited from the source manifest
- source
- Scottish Register of Tartans
- data captured from
- https://github.com/thetartan/tartan-database/blob/master/data/register-of-tartans/data.csv
- data date
- 01/04/2007 (this record)
- licence
- Crown copyright
Capture chain — the hands this data passed through, oldest first; each capture carries its own licence
- Scottish Register of Tartans · Crown copyright
the living register — still published by National Records of Scotland - thetartan/tartan-database 2016-2017 · CC BY-NC-ND 4.0
Levko Kravets's frozen compilation — the capture we vendored, and where its CC licence text came from - this dictionary captured 2026-06-10 · commit 5bf86c7566
each re-capture is a git commit to data/sources
Register references
External register numbers recorded for this tartan.
- Scottish Register of Tartans: 3478
- Scottish Tartans Authority (ITI): 7177
Thread count
K/8 R4 K4 Ri4 K4 R72 K4 DP24 K4 Ri2 K6 R/4
One full sett is 268 threads.

Palette
| Colour | Shade | OKLCh |
|---|---|---|
| K | #000000 #000000 | oklch(0.0% 0.000 0.0) |
| R | #E87878 #E87878 | oklch(70.0% 0.139 21.2) |
| DP | #4B0B4F #4B0B4F | oklch(30.1% 0.125 325.4) |
| R | #C80000 #C80000 | oklch(52.3% 0.215 29.2) |
Sample pattern

Nearest tartan variants
The nearest existing variants by ΔTartan distance, with this cloth at the top so the swatches line up against it.











Neighbour map
Every grey dot is one of 13621 variants placed by the first two principal components of the ΔTartan feature space (42% of its variance). Red is this tartan; blue dots are its nearest — click one to open its page.
ID: /variants/s12/k4r2k2ri2k2r36k2dp12k2ri1k3r2x2r2109032-ri2806019/