Colourful background achieved with gradient fills.
Source Firkin
Classy golf-pants pattern, or crossed stripes if you will.
Source Will Monson
Looks as if it's spray painted on the wall. You can be sure that this pattern will seamlessly fill your backgrounds on web pages.
Source V. Hartikainen
This is the remix of an OCAL clipart called "Art Nouveau ornament" uploaded by "microcosme".Thanks.This is a seamless pattern of an Art Nouveau ornament.
Source Yamachem
As the original image 's page size is too large for its image size, I remixed it.
Source Yamachem
Lovely pattern with some good-looking non-random noise lines.
Source Zucx
Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i
Source Firkin
Utilising some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Prismatic Abstract Geometric Background 4 No Black
Source GDJ
Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
Zero CC tileable brick texture, photographed and made by me. CC0
Source Sojan Janso
I love cream! 50x50px and lovely in all the good ways.
Source Thomas Myrman
The first pattern on here using opacity. Try it on a site with a colored background, or even using mixed colors.
Source Nathan Spady
A dark gray, sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
On a large canvas you can see it tiling, but used on smaller areas, it’s beautiful.
Source Paul Phönixweiß
ZeroCC tileable beechwood wood texture, generated in Neo Texture Edit by me. CC0
Source Sojan Janso
Light square grid pattern, great for a “DIY projects” sort of website, maybe?
Source Rafael Almeida
Bigger is better, right? So here you have some large carbon fiber.
Source Factorio.us Collective
High detail stone wall with minor cracks and specks.
Source Projecteightyfive
More bright luxury. This is a bit larger than fancy deboss, and with a bit more noise.
Source Viszt Péter
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin