Not the most creative name, but it’s a good all-purpose light background.
Source Dmitry
An emulated “transparent” background pattern, like that of all kinds of computer graphics software.
Source AdamStanislav
Small gradient crosses inside 45-degree boxes, or bigger crosses if you will.
Source Wassim
From a drawing of the coat of arms of the Ottoman Empire on Wikimedia.
Source Firkin
Here's a subtle marble-like background for use on websites.
Source V. Hartikainen
From a design found in 'History of the Virginia Company of London; with letters to and from the first Colony, never before printed', Edward Neill, 1869.
Source Firkin
One more sharp little tile for you. Subtle circles this time.
Source Blunia
This one resembles a black concrete wall when is tiled. It should look great, at least with dark website themes.
Source V. Hartikainen
Remixed from a PNG that was uploaded to Pixabay by VictorianLady
Source Firkin
Submitted in a cream color, but you know how I like it.
Source Devin Holmes
Drawn in Paint.net using the kaleidoscope plug-in and vectorised.
Source Firkin
Drawn in Paint.net and vectorised in Vector Magic
Source Firkin
Pixel by pixel, sharp and clean. Very light pattern with clear lines.
Source M.Ashok
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Prismatic Abstract Line Art Pattern Background
Source GDJ
The image depicts a seamless pattern of the design which includes a stylized lotus and a stylized crane.I referred to the original image in a book which is into public domain.
Source Yamachem
Remixed from a drawing in 'The Canadian horticulturist', 1892
Source Firkin
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin