Background pattern 215 (colour 3) #2369
Pink CC 0A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
More Textures
Background pattern 314 #1839
Yellow CC 0The square tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Square ornament 27 #2523
Dark CC 0Formed from decorative divider 184 in paint.net. Vectorised with Vector Magic.
Source Firkin
Fence 9 (colour 2) #2194
Wood CC 0A browner version of the original weathered fence texture.
Source Firkin
Decorative divider 186 #2560
Green CC 0From a drawing in 'Artists and Arabs', Henry Blackburn, 1868
Source Firkin
Cubes #133
Light CC BY-SA 3.0This reminds me of Game Cube. A nice light 3D cube pattern.
Source Sander Ottens
Cube Well & Blue #1699
Wall CC 0Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
Grunge Wall #81
Wall CC BY-SA 3.0Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
Diagonal Striped Brick@2X #680
Stripes CC BY-SA 3.0Might not be super subtle, but quite original in its form.
Source Alex Smith
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
Skewed Print #819
Dark CC BY-SA 3.0An interesting dark spotted pattern at an angle.
Source Hendrik Lammers
Decorative divider #1943
Dark CC 0Inspired by a drawing in 'Poems', James Smith, 1881.
Source Firkin
Abstract Ellipses Background Grayscale #378
Dark CC 0Abstract Ellipses Background Grayscale
Source GDJ