Exercise 1 – Supplementary
After mounting the red/blue samples on yellow background from my previous posting onto a white A3 sheet I found that the yellow fabric had reverted to its normal vibrant colour. After some thought I decided that it wasn’t only the red threads that had affected it and given it a greenish tinge previously but also the fact that I had photographed it in a shaded area and not on a white base. Obviously what I hadn’t taken into consideration was the fact that fabric, unlike Acrylic and Gouache paints, being a woven cloth (even though this was a tightly woven cotton) allows some penetration of the colour beneath. So not only the red threads but also the coloured ground had conspired to dominate the vibrancy of the yellow. Once placed on the white paper the sheer volume of yellow and the brightness of the white helped it to regain most of its former glory.
I cut some of the same yellow fabric into small squares and stuck them into the centre of some other strong coloured cotton to see if I could see any effects. Really very hard to discern anything from this photograph but by eye the following seems to have happened: On purple the yellow has slightly darkened and the colour is more enriched. On red it has got a slight green tinge. On black it has dulled and got a marginal grey look. On blue it has stayed fairly true to the original colour.
So what have I learned? Using fabric, it is not only what you put next to or near to it that has an influence, be aware of what is underneath or behind it. It’s an obvious fact when using organza, lightweight light coloured silks and cottons or very openweave linens and such but it seems to also apply to some fabrics which you wouldn’t initially consider.