WaveCut@2X #76
Light CC BY-SA 3.0If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
More Textures
Overlapping planks 6 #2570
Wood CC 0A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Transparent Square Tiles #298
Grid CC BY-SA 3.0The first pattern on here using opacity. Try it on a site with a colored background, or even using mixed colors.
Source Nathan Spady
Prismatic Hypnotic Pattern 2 No Background@2X #574
Noise CC 0Prismatic Hypnotic Pattern 2 No Background
Source GDJ
Wavy background #2023
Pink CC 0CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Triangles@2X #128
Dark CC BY-SA 3.0Dark and hard, just the way we like it. Embossed triangles makes a nice pattern.
Source Ivan Ginev
Floral design 108 #1706
Dark CC 0Derived from an image that was uploaded to Pixabay by darkmoon1968
Source Firkin
Colourful background #2007
Colorful CC 0Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin
Noisy Net@2X #977
Dark CC BY-SA 3.0Little x’es, noise and all the stuff you like. Dark like a Monday, with a hint of blue.
Source Tom McArdle
Background pattern 255 (colour) #2141
Brown CC 0Colour version of the original pattern.
Source Firkin
Stamped Dots On Metal #1083
Metal CC BY-SA 3.0A dark metallic background with a pattern of stamped dots. Here's a dark "metallic" background pattern for you.
Source V. Hartikainen
Snowflake pattern remix #156
Dark CC 0The base gradient edited so now more details are rendered.
Source Lazur URH
Crisp Paper Ruffles #841
Light CC BY-SA 3.0Sort of reminds me of those old house wallpapers.
Source Tish
Background pattern 249 #2179
Blue CC 0To get the tile this is made up from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Rice Wall #1255
Wall CC 0Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Wavy background #2018
Colorful CC 0CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Background pattern yellow #2025
Yellow CC 0Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857. The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
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
Navy #984
Dark CC BY-SA 3.0It was called Navy Blue, but I made it dark. You know, the way I like it.
Source Ethan Hamilton
Dark Stripes@2X #40
Dark CC BY-SA 3.0Very dark pattern with some noise and 45-degree lines.
Source Stefan Aleksić