Retro Circles Background 8 No Black
Source GDJ
Prismatic Groovy Concentric Background No Black
Source GDJ
Super simple but very nice indeed. Gray with vertical stripes.
Source Merrin Macleod
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
Prismatic Groovy Concentric Background 3 No Black
Source GDJ
A grayscale fabric pattern with vertical lines of stitch holes.
Source V. Hartikainen
A background tile for web with abstract repeating texture of dark "stone wall".
Source V. Hartikainen
Colour version that is close to the original drawing uploaded to Pixabay by pencilparker.
Source Firkin
Not even 1kb, but very stylish. Gray thin lines.
Source Struck Axiom
A colourful background drawn originally in paint.net and vectorised in Vector Magic.
Source Firkin
Prismatic Groovy Concentric Background 3
Source GDJ
Bigger is better, right? So here you have some large carbon fiber.
Source Factorio.us Collective
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Based on several public domain drawings on Wikimedia Commons. This was formed from a rectangular tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i
Source Firkin
Prepared mostly as a raster in Paint.net and vectorised.
Source Firkin
Zero CC tileable brick texture, photographed and made by me. CC0
Source Sojan Janso
A free background image with a seamless texture of cardboard. This texture of cardboard looks quite realistic, especially when is actually tiled.
Source V. Hartikainen
This background pattern contains worn out colorful stripes as a texture.
Source V. Hartikainen
Could be paper, could be a Polaroid frame – up to you!
Source Chaos