Dark blue concrete wall with some small dust spots.
Source Atle Mo
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
Adapted from an image that was uploaded to Pixabay by Anerma.
Source Firkin
Prismatic Geometric Pattern Background 2
Source GDJ
This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
A seamless pattern with wide vertical stripes colored in pale yellow.
Source V. Hartikainen
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin
Did anyone say The Hoff? This pattern is in no way related to Baywatch.
Source Josh Green
To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Dark wooden pattern, given the subtle treatment. based on texture from Cloaks.
Derived from a drawing in 'The Murmur of the Shells', Samuel Cowen, 1879.
Source Firkin
Background Wall, Art Abstract, white Well & CC0 texture.
Source Ractapopulous
If you’re sick of the fancy 3D, grunge and noisy patterns, take a look at this flat 2D brick wall.
Source Listvetra
CC0 remixed from a drawing. Walter Crane, 1914, Firkin.
Source SliverKnight
Some dark 45 degree angles creating a nice pattern. Huge.
Source Dark Sharp Edges
Everyone loves a diamond, right? Make your site sparkle.
Source AJ Troxell
From drawing in 'Musings in Maoriland', Thomas Bracken, 1890.
Source Firkin
A car pattern?! Can it be subtle? I say yes!
Source Radosław Rzepecki
A repeating background of thick textured paper. Actually, it turned out to look like something between a paper and fabric.
Source V. Hartikainen
Number 3 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos