Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
This one could be the shirt of a golf player. Angled lines in different thicknesses.
Source Olivier Pineda
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
The first pattern on here using opacity. Try it on a site with a colored background, or even using mixed colors.
Source Nathan Spady
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
Has nothing to do with toast, but it’s nice and subtle.
Source Pippin Lee
Formed from decorative divider 184 in paint.net. Vectorised with Vector Magic.
Source Firkin
A bit like smudged paint or some sort of steel, here is scribble light.
Source Tegan Male
A seamless web texture with illustration of pale color stains on canvas.
Source V. Hartikainen
Crossing lines with a subtle emboss effect on a dark background.
Source Stefan Aleksić
From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Tiny, tiny 3D cubes. Reminds me of the good old pattern from k10k.
Source Etienne Rallion
More leather, and this time it’s bigger! You know, in case you need that.
Source Elemis
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
Derived from an image that was uploaded to Pixabay by mdmelo.
Source Firkin
I’m not going to lie – if you submit something with the words Norwegian and Rose in it, it’s likely I’ll publish it.
Source Fredrik Scheide
Detailed but still subtle and quite original. Lovely gray shades.
Source Kim Ruddock
ZeroCC tileable stone texture, edited from pixabay. CC0
Source Sojan Janso
Prismatic Groovy Concentric Background 5 No Black
Source GDJ
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
A yellow tiled background... Blurriness, bokeh effect and rectangles pattern in one mix.
Source V. Hartikainen
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Not even 1kb, but very stylish. Gray thin lines.
Source Struck Axiom
From a drawing in 'Az Osztrák-Magyar Monarchia irásban és képben', 1885.
Source Firkin