A dark metal plate with an embossed grid pattern and a bit of rust. Here's a dark metal plate texture for use as a tiled background on web pages.
Source V. Hartikainen
Submitted in a cream color, but you know how I like it.
Source Devin Holmes
A slightly grainy paper pattern with small horizontal and vertical strokes.
Source Atle Mo
Inspired by a drawing in 'Kulturgeschichte', Freidrich Hellwald, 1896.
Source Firkin
Zero CC tileable bark texture, photographed and made by me. CC0
Source Sojan Janso
Prismatic Abstract Geometric Background 2 No Black
Source GDJ
emixed from a JPG that was uploaded to Pixabay by Kyotime
Source Firkin
Prismatic Groovy Concentric Background 4 No Black
Source GDJ
ZeroCC tileable stone texture, edited from pixabay, CC0
Source Sojan Janso
A pale orange background pattern with glossy groove stripes.
Source V. Hartikainen
From a drawing in 'Hubert Montreuil, or the Huguenot and the Dragoon', Francisca Ouvry, 1873.
Source Firkin
Not even 1kb, but very stylish. Gray thin lines.
Source Struck Axiom
To get the tile this is made up from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
The classic notebook paper with horizontal stripes.
Source Are Sundnes
Retro Circles Background 4 No Black
Source GDJ
Three shades of gray makes this pattern look like a small carbon fiber surface. Great readability even for small fonts.
Source Atle Mo
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Pattern #100! A black classic knit-looking pattern.
Source Factorio.us Collective
As the original image 's page size is too large for its image size, I remixed it.
Source Yamachem