Background pattern 225 (colour 2) #2326
Yellow CC 0Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
More Textures
Light Gray Fabric Pattern With Faded Stripes #965
Stripes CC BY-SA 3.0A light gray fabric pattern with faded vertical stripes.
Source V. Hartikainen
Background pattern 323 (colour 4) #1809
Green CC 0Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
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
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
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
Escheresque Dark #1064
Dark CC BY-SA 3.0A comeback for you: the popular Escheresque, now in black.
Source Patten
Seamless arrow pattern remix #2528
Dark CC 0Similar to original, but without gaps in between the arrows. This seamless pattern was created from a rectangular tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Decorative divider 282 #1857
Dark CC 0From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
Decorative divider 184 #2589
Dark CC 0From a drawing in 'Royal Ramsgate', James Simson, 1897.
Source Firkin
Green Fibers@2X #92
Dark CC BY-SA 3.0The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
Background pattern 252 (colour 5) #2158
Light CC 0Recreated from a pattern found in 'Az Osztrák-Magyar Monarchia irásban és képben', 1882. To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Merely Cubed@2X #590
Grid CC BY-SA 3.0Tiny, tiny 3D cubes. Reminds me of the good old pattern from k10k.
Source Etienne Rallion
Reticular Tissue #763
Light CC BY-SA 3.0The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.
Source Anna Litvinuk
Decorative divider 252 #2065
Dark CC 0Remix from a drawing in 'Ostatnie chwile powstania styczniowego', Zygmunt Sulima, 1887.
Source Firkin
Cubes #133
Light CC BY-SA 3.0This reminds me of Game Cube. A nice light 3D cube pattern.
Source Sander Ottens
Flowery pattern 4 #2328
Colorful CC 0Remixed from a vector adapted from a jpg on Pixabay. The tile this is constructed from can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Prismatic Groovy Concentric Background 5 No Black #467
Dark CC 0Prismatic Groovy Concentric Background 5 No Black
Source GDJ
Prismatic Curved Diamond Pattern 8 No Background #549
Dark CC 0Prismatic Curved Diamond Pattern 8 No Background
Source GDJ
Prismatic Hypnotic Pattern No Background@2X #572
Noise CC 0Prismatic Hypnotic Pattern No Background
Source GDJ
Background pattern 328 (colour 4) #1798
Green CC 0To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
Greek key pattern 5 #2294
Dark CC 0Seamless pattern made from a tile that can be obtained in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Brick Wall@ #1275
Wall CC 0Zero CC tileable brick texture, photographed and made by me. CC0
Source Sojan Janso