Transparent Square Tiles@2X #299
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
More Textures
Dark Stripes #39
Dark CC BY-SA 3.0Very dark pattern with some noise and 45-degree lines.
Source Stefan Aleksić
Wavy background #2017
Green CC 0A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
Wavy background #2013
Pink CC 0A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
Bird pattern #2293
Pink CC 0Utilising a bird from s-light and some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Orange-red Pattern #995
Stripes CC BY-SA 3.0Orange-red pattern for tiled backgrounds.
Source V. Hartikainen
Background pattern 208 #2465
Grid CC 0A seamless pattern created from a square tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Background pattern 235 #2255
Yellow CC 0To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Background pattern 264 #2071
Orange CC 0The tile for this is based on a repeating unit close to a design on Pixabay. It can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Fruit on a branch #1968
Dark CC 0From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Prismatic Groovy Concentric Background 5 No Black #467
Dark CC 0Prismatic Groovy Concentric Background 5 No Black
Source GDJ
Perforated White Leather@2X #636
Light CC BY-SA 3.0A bit of scratched up grayness. Always good.
Source Dmitry
Dark Sharp Edges #1320
Dark CC BY-SA 3.0Some dark 45 degree angles creating a nice pattern. Huge.
Source Dark Sharp Edges
Visual illusion #2586
Grid CC 0The edges of all the red objects line up either vertically or horizontally, but it doesn't appear so. Made from a square tile that can be got by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Background pattern 227 (colour 2) #2313
Blue CC 0A seamless background drawn in Paint.net and vectorised with Vector Magic. The starting point was a photograph of drinking straws from Pixabay.
Source Firkin
Mocha Grunge #1099
Gray CC BY-SA 3.0You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
Seamless Marble Like Texture (Light Blue) #1033
Stone CC BY-SA 3.0A seamless marble-like texture colored in light blue.
Source V. Hartikainen
Black Metallic Pattern #1090
Metal CC BY-SA 3.0A free black metallic background pattern. Here's a new pattern I made that looks metallic.
Source V. Hartikainen
Carbon Fiber Big #326
Carbon CC BY-SA 3.0Bigger is better, right? So here you have some large carbon fiber.
Source Factorio.us Collective
Leafy pattern 12 (colour 2) #1761
Red CC 0From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Light Aluminum@2X #305
Wall CC BY-SA 3.0Used correctly, this could be nice. Used in a bad way, all hell will break loose.
Source Atle Mo
Prismatic Isometric Cube Extra Pattern No Background@2X #789
Light CC 0Prismatic Isometric Cube Extra Pattern No Background
Source GDJ
Cream Dust #980
Light CC BY-SA 3.0I love cream! 50x50px and lovely in all the good ways.
Source Thomas Myrman
P2 #1107
Light CC BY-SA 3.0A series of 5 patterns. That’s what the P stands for, if you didn’t guess it.
Source Dima Shiper