Three shades of gray makes this pattern look like a small carbon fiber surface. Great readability even for small fonts.
Source Atle Mo
Prismatic Triangular Background Design Mark II 5
Source GDJ
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Same classic 45-degree pattern, dark version.
Source Luke McDonald
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Remixed from a drawing that was uploaded to Pixabay by captenpub.
Source Firkin
Remixed from a design on Pixabay. To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
From an image on opengameart.org shared by rubberduck.
Source Firkin
A seamless background pattern of dark brown wood planks.
Source V. Hartikainen
Colorful Floral Background No Black
Source GDJ
Zero CC tileable seed texture, edited by me to be seamless from a Pixabay image. CC0
Source Sojan Janso
Sort of like the Photoshop transparent background, but better!
Source Alex Parker
A seamless light gray paper texture with horizontal double lines.
Source V. Hartikainen
From a drawing in 'Royal Ramsgate', James Simson, 1897.
Source Firkin
A seamless dark leather-like background texture with diagonal lines that look like stitches.
Source V. Hartikainen
Just what the name says, paper fibers. Always good to have.
Source Heliodor jalba
More leather, and this time it’s bigger! You know, in case you need that.
Source Elemis
Simple wide squares with a small indent. Fits all.
Source Petr Šulc.
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
A heavy dark gray base, some subtle noise and a 45-degree grid makes this look like a pattern with a tactile feel to it.
Source Atle Mo
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
This is the remix of "polka dot seamless pattern".The image depicts polka dot seamless pattern.
Source Yamachem