Here's a bluish gray striped background pattern for use on web sites.
Source V. Hartikainen
Tiny little fibers making a soft and sweet look.
Source Badhon Ebrahim
It’s okay to be square! A nice light gray pattern with random squares.
Source Waseem Dahman
Prismatic Abstract Background Design No Black
Source GDJ
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
A seamless textured paper for backgrounds. Colored in pale orange hues.
Source V. Hartikainen
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
More tactile goodness. This time in the form of some rough cloth.
Source Bartosz Kaszubowski
Sharp pixel pattern, just like the good old days.
Source Paridhi
The image a seamless pattern of a wire-mesh fence.I want you to use this pattern as a lower layer.
Source Yamachem
Zero CC tileable cork floor, photographed and made by me. CC0
Source Sojan Janso
Seamless pattern formed from a square tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
Colour version that is close to the original drawing uploaded to Pixabay by pencilparker.
Source Firkin
Number 4 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
An emulated “transparent” background pattern, like that of all kinds of computer graphics software.
Source AdamStanislav
You know you can’t get enough of these linen-fabric-y patterns.
Source James Basoo
A background pattern with green vertical stripes. A new striped background pattern. This time a green one.
Source V. Hartikainen
Can never have too many knitting patterns, especially as nice as this.
Source Victoria Spahn
You know, tiny and sharp. I’m sure you’ll find a use for it.
Source Atle Mo
Black brick wall pattern. Brick your site up!
Source Alex Parker
This pack of filters can help you adding a blocky overlay to objects. May come handy at drawing blocks of stone.
Source Lazur URH
The image depicts a seamless pattern of a Japanese family crest called "chidori" in Japanese .A chidori in Japanese means a plover in English.
Source Yamachem
A light gray wall or floor (you decide) of concrete.
Source Atle Mo
A seamless background pattern of dark brown wood planks.
Source V. Hartikainen
Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf