Lovely pattern with splattered vintage speckles.
Source David Pomfret
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Remixed from a JPG that was uploaded to Pixabay by Osckar
Source Firkin
This seamless light brown background texture resembles a wallpaper with vertical stripes. One way to use it is as a tiled background on web sites.
Source V. Hartikainen
Everyone loves a diamond, right? Make your site sparkle.
Source AJ Troxell
A free seamless background image with abstract texture of green "curtain".
Source V. Hartikainen
Seamless Prismatic Geometric Pattern With Background
Source GDJ
Spice up your next school project with this icon background.
Source Swetha
Not the Rebel alliance, but a dark textured pattern.
Source Hendrik Lammers
The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
White fabric looking texture with some nice random wave features.
Source Hendrik Lammers
Sort of like the back of a wooden board. Light, subtle, and stylish, just the way we like it!
Source Nikolalek
Utilising some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
A dark metal plate with an embossed grid pattern and a bit of rust. Here's a dark metal plate texture for use as a tiled background on web pages.
Source V. Hartikainen
Sharp pixel pattern, just like the good old days.
Source Paridhi
The texture of this background image has some similarities with leather, and it's colored in a dark brown color. So, if you are looking for a dark brown background image for your website, this may be an option for you.
Source V. Hartikainen
From a drawing in 'A Rolling Stone. A tale of wrongs and revenge', John Hartley, 1878.
Source Firkin