I guess this is inspired by the city of Ravenna in Italy and its stone walls.
Source Sentel
Super subtle indeed, a medium gray pattern with tiny dots in a grid.
Source Designova
This makes me wanna shoot some pool! Sweet green pool table pattern.
Source Caveman
An alternative colour scheme for the original seamless texture formed from an image on Pixabay.
Source Firkin
We have some linen patterns here, but none that are stressed. Until now.
Source Jordan Pittman
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Prismatic Groovy Concentric Background 4 No Black
Source GDJ
A seamless pattern that includes the original tile (go to Objects / Pattern / Pattern To Objects in Inkscape's menu to extract it).
Source GDJ
Original minus the background
Source Firkin
A slightly grainy paper pattern with small horizontal and vertical strokes.
Source Atle Mo
The image a seamless pattern of a wire-mesh fence.I want you to use this pattern as a lower layer.
Source Yamachem
From a drawing in 'Gately's World's Progress', Charles Beale, 1886.
Source Firkin
A cute x, if you need that sort of thing.
Source Juan Scrocchi
From a drawing in 'Heroes of North African Discovery', Nancy Meugens, 1894.
Source Firkin
This is a grid, only it’s noisy. You know. Reminds you of those printed grids you draw on.
Source Vectorpile
Dark pattern with some nice diagonal stitched lines crossing over.
Source Ashton
Prismatic Groovy Concentric Background
Source GDJ
Snap! It’s a pattern, and it’s not grayscale! Of course you can always change the color in Photoshop.
Source Atle Mo
Actually remixed from a pattern on Pixabay. But then noticed a very similar one on Openclipart.org uploaded by btj51q2.
Source Firkin
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
Element of beach pattern with background.
Source Rones
You know I’m a sucker for these. Well-crafted paper pattern.
Source Mihaela Hinayon
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i
Source Firkin
A green background pattern with warped vertical stripes and a grunge look.
Source V. Hartikainen
An abstract pale yellow paper-like background with stains colored in yellow and green.
Source V. Hartikainen