8 by 8 pixels, and just what the title says.
Source pixilated
Heavily remixed from a drawing in 'Barbara Leybourne; a story of eighty years ago', Sarah Hamer, 1889.
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
I love cream! 50x50px and lovely in all the good ways.
Source Thomas Myrman
The name is totally random, but hey, it sounds good.
Source Atle Mo
The first pattern on here using opacity. Try it on a site with a colored background, or even using mixed colors.
Source Nathan Spady
Geometric triangles seem to be quite hot these days.
Source Pixeden
Have you wondered about how it feels to be buried alive? Here is the pattern for it.
Source Hendrik Lammers
A smooth mid-tone gray, or low contrast if you will, linen pattern.
Source Jordan Pittman
This is lovely, just the right amount of subtle noise, lines and textures.
Source Richard Tabor
Background Wall, Art Abstract, Blue Well & CC0 texture.
Source Ractapopulous
A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin
Alternative colour scheme for the original floral pattern.
Source Firkin
Remixed from a raster on Pixabay, that was uploaded by ArtsyBee.
Source Firkin
Bright Multicolored Floral Background by Karen Arnold from PDP.
Source GDJ
Prismatic Groovy Concentric Background 3 No Black
Source GDJ
Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
A seamless pattern created from a square tile. To get the tile, select the pattern in Inkscape and use shift+alt+i.
Source Firkin
You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
Just to prove my point, here is a slightly modified dark version.
Source Atle Mo
A mid-tone gray pattern with some cement looking texture.
Source Hendrik Lammers
Prismatic Groovy Concentric Background 3 No Black
Source GDJ
Colorful Floral Background 3 No Black
Source GDJ
This is a grid, only it’s noisy. You know. Reminds you of those printed grids you draw on.
Source Vectorpile