A hint of orange color, and some crossed and embossed lines.
Source Adam Anlauf
Carbon fiber is never out of fashion, so here is one more style for you.
Source Alfred Lee
This is the remix of "Tileable Wave Pattern 2" uploaded by "Arvin61r58".Thanks.I added a wire-mesh fence seamless pattern as a lower layer.
Source Yamachem
Geometric lines are always hot, and this pattern is no exception.
Source Listvetra
Medium gray fabric pattern with 45-degree lines going across.
Source Atle Mo
This is lovely, just the right amount of subtle noise, lines and textures.
Source Richard Tabor
No, not the band but the pattern. Simple squares in gray tones, of course.
Source Atle Mo
Remixed from a drawing in 'Kulturgeschichte der Deutschen im Mittelalter' Franz von Loeher, 1891. The unit tile can be had by selecting the rectangle in Inkscape and using shift-alt-i
Source Firkin
Derived from a drawing in 'The Murmur of the Shells', Samuel Cowen, 1879.
Source Firkin
A seamless pattern the starting point for which was a 'colour modulo' texture in Paint.net.
Source Firkin
With a name this awesome, how can I go wrong?
Source Nikolay Boltachev
Remixed from an image on Pixabay, the original having been uploaded by darkmoon1968.
Source Firkin
A repeatable image with dark background and metal grid pattern.
Source V. Hartikainen
Prismatic Groovy Concentric Background 4 No Black
Source GDJ
One more from Badhon, sharp horizontal lines making an embossed paper feeling.
Source Badhon Ebrahim
The classic subtle pattern. Sort of wall/brick looking. Or moon-looking?
Source Joel Klein
After 1 comes 2, same but different. You get the idea.
Source Hendrik Lammers
Prismatic Polka Dots Mark II No Background
Source GDJ
From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
Small gradient crosses inside 45-degree boxes, or bigger crosses if you will.
Source Wassim
This one needs to be used in small areas; you can see it repeat.
Source Luca
Seamless pattern made from a tile that can be obtained in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Background Wall, Art Abstract, Watercolor Vintage style CC0 texture.
Source Ractapopulous
CC0 remixed from a drawing. Walter Crane, 1914, Firkin.
Source SliverKnight
Has nothing to do with toast, but it’s nice and subtle.
Source Pippin Lee
A pattern derived from repeating unit cells each derived from part of a fractal rendering in paint.net.
Source Firkin