Prismatic Hexagonalist Pattern No Background
Source GDJ
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Prismatic Groovy Concentric Background 5
Source GDJ
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
A car pattern?! Can it be subtle? I say yes!
Source Radosław Rzepecki
An abstract texture of water. It's not perfect, but will do. You may download if you like it.
Source V. Hartikainen
Inspired by a design found in 'Konstantinápolyi emlékeim', Miklos Chriszto, 1893.
Source Firkin
Psychedelic Geometric Background No Black
Source GDJ
Number five from the same submitter, makes my job easy.
Source Dima Shiper
Cubes as far as your eyes can see. You know, because they tile.
Source Jan Meeus
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
A beautiful dark padded pattern, like an old classic sofa.
Source Chris Baldie
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
Sounds like something from World of Warcraft. Has to be good.
Source Tony Kinard
Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
Remixed from a drawing in 'Prehistoric Man: researches into the origin of civilisation in the old and the new world', Daniel Wilson, 1876.
Source Firkin
A cute x, if you need that sort of thing.
Source Juan Scrocchi
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
A car pattern?! Can it be subtle? I say yes!
Source Radosław Rzepecki
A beautiful dark wood pattern, superbly tiled.
Source Omar Alvarado
Light square grid pattern, great for a “DIY projects” sort of website, maybe?
Source Rafael Almeida
Remixed from a drawing in 'Some account of the Worshipful Company of Ironmongers', John Nicholl, 1866.
Source Firkin
Has nothing to do with toast, but it’s nice and subtle.
Source Pippin Lee
A seamless pattern from a tile made from a jpg on Pixabay. To get the tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin