8 by 8 pixels, and just what the title says.
Source pixilated
Zero CC tileable wood texture, made by me procedurally in Neo Texture Edit.
Source Sojan Janso
Simple wide squares with a small indent. Fits all.
Source Petr Šulc.
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
You were craving more leather, so I whipped this up by scanning a leather jacket.
Source Atle Mo
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Clover with background for St. Patrick's Day. Add to a card with a doily, ribbon, a leprechaun or other embellishments.
Source BAJ
Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
An abstract pale yellow paper-like background with stains colored in yellow and green.
Source V. Hartikainen
Remixed from a JPG that was uploaded to Pixabay by Osckar
Source Firkin
Prismatic Geometric Tessellation Pattern 2 No Background
Source GDJ
Remixed from a drawing in 'The Canadian horticulturist', 1892
Source Firkin
Tiny, tiny 3D cubes. Reminds me of the good old pattern from k10k.
Source Etienne Rallion
Prismatic Geometric Pattern Background
Source GDJ
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Nothing like a clean set of bed sheets, huh?
Source Badhon Ebrahim
I love these crisp, tiny, super subtle patterns.
Source Badhon Ebrahim
The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
Not so subtle. These tileable wood patterns are very useful.
Source Elemis
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Sounds like something from World of Warcraft. Has to be good.
Source Tony Kinard
Sharp pixel pattern looking like some sort of fabric.
Source Dmitry
Very dark pattern with some noise and 45-degree lines.
Source Stefan Aleksić
Bright Multicolored Floral Background by Karen Arnold from PDP.
Source GDJ
This one resembles a black concrete wall when is tiled. It should look great, at least with dark website themes.
Source V. Hartikainen