"Polished Stone", Gray Background Pattern #1053
Stone CC BY-SA 3.0A seamless gray background texture suitable for use on websites. To me, it has the look of stone. Feel free to modify it to meet your needs (by making it a bit lighter or darker, for example).
Source V. Hartikainen
More Textures
Congruent Pentagon #1307
Unknow CC BY-SA 3.0Inspired by this, I came up with this pattern. Madness!
Source Atle Mo
Floral background 17 #1851
Green CC 0Vector version of a JPG that was uploaded to Pixabay by theasad121
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
Green Wall #1252
Wall CC 0Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Background pattern 315 #1845
Blue CC 0The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Medic Packaging Foil #376
Light CC BY-SA 3.08 by 8 pixels, and just what the title says.
Source pixilated
Background pattern 197 (variant 2) #2512
Green CC 0A version without colours blended together to give a different look.
Source Firkin
Rough Fabric Pattern (Dark Brown) #1166
Fabric CC BY-SA 3.0A background pattern with a look of rough fabric.
Source V. Hartikainen
Dark Tire@2X #704
Dark CC BY-SA 3.0Dark, crisp and subtle. Tiny black lines on top of some noise.
Source Wilmotte Bastien
Scenery decorative divider #1909
Dark CC 0Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Background Patterns - Aubergine #247
Fabric CC 0If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Textured Paper #1130
Paper CC BY-SA 3.0You know I love paper patterns. Here is one from Stephen. Say thank you!
Source Stephen Gilbert
Subtle Freckles #89
Light CC BY-SA 3.0This is so subtle: We’re talking 1% opacity. Get your squint on!
Source Atle Mo
Gun Metal #360
Dark CC BY-SA 3.0With a name this awesome, how can I go wrong?
Source Nikolay Boltachev
Burried #831
Dark CC BY-SA 3.0Have you wondered about how it feels to be buried alive? Here is the pattern for it.
Source Hendrik Lammers
Elastoplast #282
Light CC BY-SA 3.0A fun-looking elastoplast/band-aid pattern. A hint of orange tone in this one.
Source Josh Green
Prismatic Curved Diamond Pattern 4 No Background@2X #542
Diamond CC 0Prismatic Curved Diamond Pattern 4 No Background
Source GDJ
tortoise in tortoiseshell #2537
Grid CC 0The image depicts a seamless pattern of a tortoise in tortoiseshell (hexagon).
Source Yamachem
White Linen@2X #840
Light CC BY-SA 3.0Dead simple but beautiful horizontal line pattern.
Source Fabian Schultz
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
Background pattern 225 #2327
Colorful CC 0Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
WaveCut #75
Light CC BY-SA 3.0If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
Vertical Cloth #597
Dark CC BY-SA 3.0You just can’t get enough of the fabric patterns, so here is one more for your collection.
Source Krisp Designs