Sounds like something from World of Warcraft. Has to be good.
Source Tony Kinard
Tiny little fibers making a soft and sweet look.
Source Badhon Ebrahim
Inspired by a drawing seen in 'City of Liverpool', James Picton, 1883.
Source Firkin
Remixed from a drawing in 'A Child of the Age', Francis Adams, 1894.
Source Firkin
Actually, there's no clouds in it, but I think it looks quite nice.
Source V. Hartikainen
Paper pattern with small dust particles and 45-degree strokes.
Source Atle Mo
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Prismatic Geometric Pattern Variation 2 With Background
Source GDJ
A slightly more textured pattern, medium gray. A bit like a potato sack?
Source Bilal Ketab
Small dots with minor circles spread across to form a nice mosaic.
Source John Burks
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Formed by heavily distorting part of a an image of a fish uploaded to Pixabay by GLady
Source Firkin
Just to prove my point, here is a slightly modified dark version.
Source Atle Mo
Black And White Floral Pattern Background from PDP.
Source GDJ
The basic shapes never get old. Simple triangle pattern.
Source Atle Mo
More in the paper realm, this time with fibers.
Source Jorge Fuentes
A slightly grainy paper pattern with small horizontal and vertical strokes.
Source Atle Mo
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Looks a bit like concrete with subtle specks spread around the pattern.
Source Mladjan Antic
This is so subtle you need to bring your magnifier!
Source Carlos Valdez
Cubes as far as your eyes can see. You know, because they tile.
Source Jan Meeus
From a drawing in 'Az Osztrák-Magyar Monarchia irásban és képben', 1885.
Source Firkin
A very dark asfalt pattern based off of a photo taken with my iPhone.
Source Atle Mo