Background pattern 239 (colour 2) #2216
Red CC 0To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
More Textures
Vintage pattern 2 #2295
Yellow CC 0Inspired 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
Frozen Surface With Diagonal Stripes #912
Stripes CC BY-SA 3.0This light background pattern has a texture of "frozen" surface with diagonal stripes. Here's an yet another addition to the collection of free website backgrounds.
Source V. Hartikainen
Psychedelic Geometric Background No Black@2X #812
Noise CC 0Psychedelic Geometric Background No Black
Source GDJ
Kaleidoscope Prismatic Abstract No Background #387
Noise CC 0Kaleidoscope Prismatic Abstract No Background
Source GDJ
Background pattern 24 #198
Dark CC 0The starting point for this was a texture drawn with the 'Radial Colors' plug-in in Paint.net.
Source Firkin
Prismatic Hexagonalist Pattern No Background #390
Light CC 0Prismatic Hexagonalist Pattern No Background
Source GDJ
Simple Horizontal Light@2X #983
Light CC BY-SA 3.0Sometimes you just need the simplest thing.
Source Fabricio
Page ornament 54 #2059
Dark CC 0Remixed from a drawing in 'The Canadian horticulturist', 1892
Source Firkin
Dirty #1372
Green CC 0Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Dirty #1371
Unknow CC 0Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Prismatic Triangular Background Design Mark II 5@2X #788
Dark CC 0Prismatic Triangular Background Design Mark II 5
Source GDJ
WaveCut #75
Light CC BY-SA 3.0If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
Background pattern 226 (colour 5) #2317
Blue CC 0A 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
Dark Wall #817
Dark CC BY-SA 3.0Just to prove my point, here is a slightly modified dark version.
Source Atle Mo
Epithalamion tailpiece #2527
Dark CC 0From a drawing in 'Cassell's Library of English Literature', Henry Morley, 1883.
Source Firkin
Rebel #829
Dark CC BY-SA 3.0Not the Rebel alliance, but a dark textured pattern.
Source Hendrik Lammers