Background pattern 224 (colour 5) #2338
Colorful CC 0To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
More Textures
Background pattern 214 #2377
Blue CC 0A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Old Mathematics #43
Stripes CC BY-SA 3.0This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
Colourful background #2009
Colorful CC 0Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin
Zig Zag@2X #329
Dark CC BY-SA 3.0So tiny, just 7 by 7 pixels – but still so sexy. Ah yes.
Source Dmitriy Prodchenko
Abstract Geometric Monochrome Pattern Prismatic No Background #385
Noise CC 0Abstract Geometric Monochrome Pattern Prismatic No Background
Source GDJ
"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
Zig-zag pattern 4 #2415
Grid CC 0A seamless pattern based on a rectangular tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
Prismatic Geometric Tessellation Pattern 3 No Background@2X #556
Noise CC 0Prismatic Geometric Tessellation Pattern 3 No Background
Source GDJ
Green Fibers #91
Dark CC BY-SA 3.0The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
Background pattern 19 (black) #203
Dark CC 0A seamless pattern the starting point for which was a 'rainbow twist' texture in Paint.net.
Source Firkin
Gray Dots Background Pattern #1127
Grid CC BY-SA 3.0A seamless background pattern with impressed gray dots.
Source V. Hartikainen
Square ornament 37 #2177
Dark CC 0Remixed from a drawing in 'Paul's Sister', Frances Peard, 1889.
Source Firkin
plant pattern 02 remix #2500
Unknow CC 0This is the remix of "plant pattern 02".I changed the object color to white and the BG to purple.The image a seamless pattern derived from a weed which I can't identify.The original weed image is from here:jp.pinterest.com/pin/500744052301423641/
Source Yamachem
Floral divider 2 #1924
Dark CC 0From a drawing in 'A Guide to the Guildhall of the City of London', John Baddeley, 1898.
Source Firkin
Dark Brick Pattern #1032
Stone CC BY-SA 3.0A seamless pattern of dark bricks. Maybe it's not very realistic, but it looks good in my opinion.
Source V. Hartikainen
Seamless Light Background Texture #1023
Stone CC BY-SA 3.0Seamless Light Background Texture.
Source V. Hartikainen
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