Detailed but still subtle and quite original. Lovely gray shades.
Source Kim Ruddock
The classic subtle pattern. Sort of wall/brick looking. Or moon-looking?
Source Joel Klein
Zero CC tileable Laminate wood texture, photographed and made by me. CC0
Source Sojan Janso
A chequerboard pattern with a fruit theme. The fruits are from a posting by inkscapeforum.it.
Source Firkin
Prismatic Geometric Pattern Background No Black
Source GDJ
To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Looks like an old wall. I guess that’s it then?
Source Viahorizon
Dark wooden pattern, given the subtle treatment. based on texture from Cloaks. https://cloaks.deviantart.com
Source Atle Mo
Alternative colour scheme. Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Number 3 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Remixed from an image that was uploaded to Pixabay by Pixeline
Source Firkin
Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
From a drawing in 'Prose and Verse ', William Linton, 1836.
Source Firkin
Dead simple but beautiful horizontal line pattern.
Source Fabian Schultz
This is a seamless pattern of regular hexagon which has a honeycomb structure.
Source Yamachem
Three shades of gray makes this pattern look like a small carbon fiber surface. Great readability even for small fonts.
Source Atle Mo
Background Wall, Art Abstract, Blue Well & CC0 texture.
Source Ractapopulous
Derived from an image that was uploaded to Pixabay by darkmoon1968
Source Firkin