Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
The file was named striped lens, but hey – Translucent Fibres works too.
Source Angelica
A light brushed aluminum pattern for your pleasure.
Source Tim Ward
A seamlessly repeating background pattern of wood. The image is procedurally generated, and, I think, it's turned out quite well.
Source V. Hartikainen
Prismatic Hypnotic Pattern 2 No Background
Source GDJ
Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
Small gradient crosses inside 45-degree boxes, or bigger crosses if you will.
Source Wassim
If you don’t like cream and pixels, you’re in the wrong place.
Source Mizanur Rahman
Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Prismatic Groovy Concentric Background 2
Source GDJ
Background Wall, Art Abstract, Blue Well & CC0 texture.
Source Ractapopulous
Zero CC bark from fur tree tileable texture, photographed and made by me. CC0
Source Sojan Janso
Horizontal and vertical lines on a light gray background.
Source Adam Anlauf
Prismatic Geometric Pattern Background 2
Source GDJ
I love cream! 50x50px and lovely in all the good ways.
Source Thomas Myrman
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Hey, you never know when you’ll need a bird pattern, right?
Source Pete Fecteau
Crossing lines with a subtle emboss effect on a dark background.
Source Stefan Aleksić
A seamless web texture of "green stone".
Source V. Hartikainen