The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
A large (588x375px) sand-colored pattern for your ever-growing collection. Shrink at will.
Source Alex Tapein
Embossed lines and squares with subtle highlights.
Source Alex Parker
Prepared mostly as a raster in Paint.net and vectorised.
Source Firkin
Beautiful dark noise pattern with some dust and grunge.
Source Vincent Klaiber
Background Wall, Art Abstract, Star Well & CC0 texture.
Source Ractapopulous
Prismatic Abstract Geometric Background 4
Source GDJ
A floral background formed from numerous clones of flower 117.
Source Firkin
Like the name says, light and gray, with some small dots and circles.
Source Brenda Lay
Recreated from a pattern found in 'Az Osztrák-Magyar Monarchia irásban és képben', 1882. To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Background Wall, Art Abstract, Watercolor Vintage style CC0 texture.
Source Ractapopulous
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Has nothing to do with toast, but it’s nice and subtle.
Source Pippin Lee
Zero CC tileable ground (#2) cracked, crackled texture, made by me. CC0
Source Sojan Janso
Looks like an old wall. I guess that’s it then?
Source Viahorizon
A seamless pattern formed from a rectangular tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Might not be super subtle, but quite original in its form.
Source Alex Smith
Abstract Tiled Background Extended 6
Source GDJ
Prismatic Abstract Geometric Background derived from an image on Pixabay.
Source GDJ
A free web background image with a seamless concrete-like texture and an Indian-red color.
Source V. Hartikainen
Prismatic Hexagonalist Pattern No Background
Source GDJ
Prismatic Geometric Pattern Background No Black
Source GDJ
The original has been presented as black on transparent and stored in the pattern definitions. To retrieve the unit tile select the rectangle in Inkscape and use shift+alt+i
Source Firkin