Subtle scratches on a light gray background.
Source Andrey Ovcharov
A seamless pattern created from a square tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Prismatic Polka Dots Mark II No Background
Source GDJ
The following free background pattern has glossy diagonal stripes as a texture to it, and it's colored in a light blue gray color. This background pattern is suitable for using in web design or any other graphic design projects. This applies to all background patterns here.
Source V. Hartikainen
White fabric looking texture with some nice random wave features.
Source Hendrik Lammers
The image is a seamless pattern of a fishnet.
Source Yamachem
Just to prove my point, here is a slightly modified dark version.
Source Atle Mo
A white version of the very popular linen pattern.
Source Ant Ekşiler
Alternative colour scheme for the original floral pattern.
Source Firkin
A grid of squares with green colours. Since the colours are randomly distributed it is automatically seamless.
Source Firkin
Clean and crisp lines all over the place. Wrap it up with this one.
Source Dax Kieran
Pattern Background, Texture, Photoshop Structure style CC0 texture.
Source Darkmoon1968
A pale yellow background pattern with vertical stripes. The stripes are partially faded. I think this background image turned out pretty well, especially those faded stripes.
Source V. Hartikainen
Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Love me some light mesh on a Monday. Sharp.
Source Wilmotte Bastien
A black tile-able background with paper-like texture.
Source V. Hartikainen
You just can’t get enough of the fabric patterns, so here is one more for your collection.
Source Krisp Designs
Utilising a bird from s-light and some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Classic 45-degree pattern, light version.
Source Luke McDonald
Don’t look at this one too long if you’re high on something.
Source Luuk van Baars
This is so subtle: We’re talking 1% opacity. Get your squint on!
Source Atle Mo
Alternative colour scheme. Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Not the most creative name, but it’s a good all-purpose light background.
Source Dmitry