It looks very nice I think.
Source V. Hartikainen
Super simple but very nice indeed. Gray with vertical stripes.
Source Merrin Macleod
An alternative colour scheme for the original background.
Source Firkin
"Beige Stone", Tileable Texture.
Source V. Hartikainen
From a drawing in 'Artists and Arabs', Henry Blackburn, 1868
Source Firkin
Prismatic Geometric Pattern Background No Black
Source GDJ
Not so subtle. These tileable wood patterns are very useful.
Source Elemis
This ladies and gentlemen, is texturetastic! Love it.
Source Adam Pickering
Nice and simple crossed lines in dark gray tones.
Source Stefan Aleksić
An alternative colour scheme for the original seamless texture formed from an image on Pixabay.
Source Firkin
A seamless texture of worn out "cardboard".
Source V. Hartikainen
Zero CC tileable hard cover cells, skin like, book texture. 4K, Scanned and made by me CC0
Source Sojan Janso
Inspired by a pattern found in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Submitted by DomainsInfo – wtf, right? But hey, a free pattern.
Source DomainsInfo
And some more testing, this time with Seamless Studio. It’s Robots FFS!
Source Seamless Studio
Zero CC tileable Laminate wood texture, photographed and made by me. CC0
Source Sojan Janso
Sharp pixel pattern, just like the good old days.
Source Paridhi
As the original image 's page size is too large for its image size, I remixed it.
Source Yamachem
This was formed by distorting an image of a background on Pixabay.
Source Firkin
This is so subtle I hope you can see it! Tweak at will.
Source Alexandre Naud
Light gray paper pattern with small traces of fiber and some dust.
Source Atle Mo
A brown seamless wood texture in a form of stripe pattern. The result has turned out pretty well, in my opinion.
Source V. Hartikainen
A light gray fabric pattern with faded vertical stripes.
Source V. Hartikainen