Dimension@2X #1174
Light CC BY-SA 3.0Don’t look at this one too long if you’re high on something.
Source Luuk van Baars
More Textures
Spirals pattern #1994
Colorful CC 0Uses spirals from Pixabay. To get the basic tile select the rectangle in Inkscape and use shift+alt+i
Source Firkin
Decorative divider 201 #2421
Dark CC 0From a drawing in 'Heroes of North African Discovery', Nancy Meugens, 1894.
Source Firkin
Grey Washed Wall #1128
Wall CC BY-SA 3.0This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO
Dark Circles@2X #307
Dark CC BY-SA 3.0People seem to enjoy dark patterns, so here is one with some circles.
Source Atle Mo
Wooden planks 2 #2569
Wood CC 0A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Vintage pattern #1957
Grid CC 0Formed from a tile based on a drawing from 'Viaggi d'un artista nell'America Meridionale', Guido Boggiani, 1895.
Source Firkin
Vintage pattern #1960
Grid CC 0Formed from a tile based on a drawing from 'Viaggi d'un artista nell'America Meridionale', Guido Boggiani, 1895.
Source Firkin
Chain background #2063
Dark CC 0Remixed from a drawing in 'Canadian forest industries July-December', 1915
Source Firkin
Abstract Water Texture (Seamless) #890
Water CC BY-SA 3.0An abstract texture of water. It's not perfect, but will do. You may download if you like it.
Source V. Hartikainen
Mosaic tile #2481
Brown CC 0From a drawing in 'Handbook of the excursions proposed to be made by the Lincoln Diocesan Architectural Society, on the 27th and 28th of May, 1857', Edward Trollope, 1857.
Source Firkin
Vintage Speckles@2X #654
Wall CC BY-SA 3.0Lovely pattern with splattered vintage speckles.
Source David Pomfret
Background pattern #1977
Dark CC 0Remixed from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Beige Stripes #938
Stripes CC BY-SA 3.0A repeating background of beige (or is it more vanilla yellow) textured stripes. One more background with stripes.
Source V. Hartikainen
Vintage pattern #2296
Brown 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
Background pattern 215 (colour 3) #2369
Pink CC 0A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
Connected #348
Light CC BY-SA 3.0White circles connecting on a light gray background.
Source Mark Collins
Wavy background #2016
Pink CC 0A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
Wavy tile #2024
Colorful CC 0Seamless tile drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
blue glass design #2545
Blue CC 0The image is a design of blue glass.How about using it as background image?
Source Yamachem
Prismatic Geometric Tessellation Pattern 3 No Background #555
Noise CC 0Prismatic Geometric Tessellation Pattern 3 No Background
Source GDJ
Redox 01 #849
Light CC BY-SA 3.0Bright gray tones with a hint of some metal surface.
Source Hendrik Lammers
Floral pattern 6 #2461
Fabric CC 0A pattern formed from a photograph of a 16th century ceramic tile.
Source Firkin