Used in small doses, this could be a nice subtle pattern. Used on a large surface, it’s dirty!
Source Paul Reulat
Derived from a PNG that was uploaded to Pixabay by nutkitten
Source Firkin
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-I. A version of the original with random colors.
Source Firkin
A pale orange background pattern with glossy groove stripes.
Source V. Hartikainen
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Prismatic Curved Diamond Pattern 4 No Background
Source GDJ
This seamless background image should look nice on websites. It has a dark blue gray texture with vertical stripes, it tiles seamlessly and, like all of the background images here, it's free. So, if you like it, take it!
Source V. Hartikainen
These dots are already worn for you, so you don’t have to.
Source Matt McDaniel
Dark pattern with some nice diagonal stitched lines crossing over.
Source Ashton
From a drawing in 'Heroes of North African Discovery', Nancy Meugens, 1894.
Source Firkin
The image is a remix of "edo pattern-samekomon".I changed the color of dots from black to white and added BG in light-yellow.
Source Yamachem
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Remixed from a drawing in 'Paul's Sister', Frances Peard, 1889.
Source Firkin
Bright gray tones with a hint of some metal surface.
Source Hendrik Lammers
Here's a subtle marble-like background for use on websites.
Source V. Hartikainen
Derived from an image that was uploaded to Pixabay by mdmelo.
Source Firkin
This is so subtle I hope you can see it! Tweak at will.
Source Alexandre Naud
A subtle shadowed checkered pattern. Increase the lightness for even more subtle sexiness.
Source Josh Green
CC0 remixed from a drawing. Walter Crane, 1914, Firkin.
Source SliverKnight
Inspired by a pattern seen on a public domain image of a very old tile. To get the unit cell, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
Utilising some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin