This is lovely, just the right amount of subtle noise, lines and textures.
Source Richard Tabor
Light gray pattern with an almost wall tile-like appearance.
Source Markus Tinner
It almost looks a bit blurry, but then again, so are fishes.
Source Petr Šulc
A textured orange background pattern with vertical stripes.
Source V. Hartikainen
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
A pattern formed from a squared tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
Prismatic Groovy Concentric Background 5
Source GDJ
A seamless background drawn in Paint.net and vectorised with Vector Magic. The starting point was a photograph of drinking straws from Pixabay.
Source Firkin
Prismatic Floral Pattern 3 Variation 3 No Background
Source GDJ
Prismatic Abstract Geometric Background 4 No Black
Source GDJ