A pale olive green background with a seamless texture.
Source V. Hartikainen
From drawing in 'Musings in Maoriland', Thomas Bracken, 1890.
Source Firkin
Medium gray pattern with small strokes to give a weave effect.
Source Catherine
There are quite a few grid patterns, but this one is a super tiny grid with some dust for good measure.
Source Dominik Kiss
Remixed from a PNG that was uploaded to Pixabay by VictorianLady
Source Firkin
Tile available in Inkscape using shift-alt-i on the selected rectangle
Source Firkin
A pattern formed from a squared tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
A dark metal plate with an embossed grid pattern and a bit of rust. Here's a dark metal plate texture for use as a tiled background on web pages.
Source V. Hartikainen
The image depicts a seamless pattern which was made using stripe-like things including borders.I used OCAL cliparts called "Blue Greek Key With Lines Border" uploaded by "GR8DAN" and "daisy border" uploaded by "johnny_automatic".Thanks.
Source Yamachem
Prismatic Groovy Concentric Background
Source GDJ
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A comeback for you: the popular Escheresque, now in black.
Source Patten
This ons is quite old school looking. Retro, even. I like it.
Source Arno Declercq
Fabric-ish patterns are close to my heart. French Stucco to the rescue.
Source Christopher Buecheler
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
A seamless background drawn in Paint.net and vectorised with Vector Magic. The starting point was a photograph of drinking straws from Pixabay.
Source Firkin
This texture looks like old leather. It should look great as a background on web pages.
Source V. Hartikainen
Spice up your next school project with this icon background.
Source Swetha
All good things come in threes, so I give you the third in my little concrete wall series.
Source Atle Mo
Prismatic Abstract Background Design No Black
Source GDJ
This one is rather fun and playful. The 2X could be used at 1X too!
Source Welsley
Super simple but very nice indeed. Gray with vertical stripes.
Source Merrin Macleod