A heavy dark gray base, some subtle noise and a 45-degree grid makes this look like a pattern with a tactile feel to it.
Source Atle Mo
You know you can’t get enough of these linen-fabric-y patterns.
Source James Basoo
Remixed from a raster on Pixabay, that was uploaded by ArtsyBee.
Source Firkin
As simple and subtle as it gets. But sometimes that’s just what you want.
Source Designova
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A background tile for web with abstract repeating texture of dark "stone wall".
Source V. Hartikainen
A seamless paper background colored in pale yellow.
Source V. Hartikainen
Prismatic Hypnotic Pattern 2 No Background
Source GDJ
Dead simple but beautiful horizontal line pattern.
Source Fabian Schultz
A seamless pattern created from a square tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Wild Oliva or Oliva Wilde? Darker than the others, sort of a medium dark pattern.
Source Badhon Ebrahim
Prismatic Curved Diamond Pattern 2 No Background
Source GDJ
This could be a hippy vintage wallpaper.
Source Tileable Patterns
Prismatic Abstract Background Design
Source GDJ
Can never have too many knitting patterns, especially as nice as this.
Source Victoria Spahn
A light gray fabric pattern with faded vertical stripes.
Source V. Hartikainen
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin
A frame using leaves from an image that was uploaded to Pixabay by mayapujiati
Source Firkin
From a drawing in 'Les Chroniqueurs de l'Histoire de France depuis les origines jusqu'au XVIe siècle', Henriette Witt, 1884.
Source Firkin
Turn your site into a dragon with this great scale pattern.
Source Alex Parker