The weaving centre that I visited was creating natural coloured weaves relying on the textural interest created by the contrast between the thicker lotus threads and the finer silk.
Coarser lotus threads inlaid as small motifs:
Natural lotus threads stand out against a blue silk weft:
How exactly is thread made from lotus stems?
To find out, take a look at Inle Lake: Lotus Threads for video and details of how this special thread is created