Triangular@2X #1157
Gray CC BY-SA 3.0Dare I call this a «flat pattern»? Probably not.
Source Dax Kieran
More Textures
Prismatic Groovy Concentric Background 5@2X #466
Dark CC 0Prismatic Groovy Concentric Background 5
Source GDJ
Felt@2X #301
Wall CC BY-SA 3.0Got some felt in my mailbox today, so I scanned it for you to use.
Source Atle Mo
Floral pattern 6 #2461
Fabric CC 0A pattern formed from a photograph of a 16th century ceramic tile.
Source Firkin
Background pattern 234 (colour 3) #2257
Blue CC 0Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
Ecailles@2X #1043
Light CC BY-SA 3.0Almost like little fish shells, or dragon skin.
Source Graphiste
Floral design 86 #1885
Dark CC 0From a drawing in 'Cowdray: the history of a great English House', Julia Roundell, 1884.
Source Firkin
Project Papper@2X #120
Paper CC BY-SA 3.0Light square grid pattern, great for a “DIY projects” sort of website, maybe?
Source Rafael Almeida
Fabric pattern 3 (colour 2) #2386
Fabric CC 0Alternative colour scheme. Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Eight Horns #1325
Light CC BY-SA 3.0Looks like an old rug or a computer chip.
Source Patutin Sergey
Ribbon pattern 2 (version 2, colour 3) #2037
Colorful CC 0The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Wavy background #2023
Pink CC 0CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Diamond pattern (colour 5) #2281
Red CC 0From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Gloomy Stripes #994
Stripes CC BY-SA 3.0A dark striped seamless pattern suitable for use as a background on websites.
Source V. Hartikainen
Decorative divider 218 #2232
Dark CC 0Remixed from a drawing in 'Maidenhood; or, the Verge of the Stream', Laura Jewry, 1876.
Source Firkin
Seamless Prismatic Pythagorean Line Art Pattern No Background #569
Light CC 0Seamless Prismatic Pythagorean Line Art Pattern No Background. A seamless pattern that includes the original tile (go to Objects / Pattern / Pattern To Objects in Inkscape's menu to extract it).
Source GDJ
Floral design 100 (version 2) #1773
Dark CC 0From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Gray Dots Background Pattern #1127
Grid CC BY-SA 3.0A seamless background pattern with impressed gray dots.
Source V. Hartikainen
Prismatic Hexagonalism Pattern No Background #391
Light CC 0Prismatic Hexagonalism Pattern No Background
Source GDJ
Leafy design 18 (colour) #1786
Green CC 0From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Green Dust & Scratches@2X #108
Wall CC BY-SA 3.0Snap! It’s a pattern, and it’s not grayscale! Of course you can always change the color in Photoshop.
Source Atle Mo
Background pattern 225 (colour 3) #2325
Pink CC 0Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin