A seamless paper background colored in pale yellow.
Source V. Hartikainen
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
A new one called white wall, not by me this time.
Source Yuji Honzawa
Prismatic Floral Background No Black
Source GDJ
This could be a hippy vintage wallpaper.
Source Tileable Patterns
Looks a bit like concrete with subtle specks spread around the pattern.
Source Mladjan Antic
Light and tiny, just the way you like it.
Source Rohit Arun Rao
Prismatic Groovy Concentric Background 2 No Black
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
The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
You were craving more leather, so I whipped this up by scanning a leather jacket.
Source Atle Mo
I love these crisp, tiny, super subtle patterns.
Source Badhon Ebrahim
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin