Like the name says, light and gray, with some small dots and circles.
Source Brenda Lay
Prismatic Curved Diamond Pattern No Background
Source GDJ
This was formed by distorting an image of a background on Pixabay.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Bright Multicolored Floral Background by Karen Arnold from PDP.
Source GDJ
Same as the black version, but now in shades of gray. Very subtle and fine grained.
Source Atle Mo
This one takes you back to math class. Classic mathematic board underlay.
Source Josh Green
Prismatic Geometric Tessellation Pattern 4 No Background
Source GDJ
A seamless pattern recreated from an image on Pixabay. It is reminiscent of parquet flooring and is formed from a square tile, which can be recovered in Inkscape by selecting the ungrouped rectangle and using shift-alt-I together.
Source Firkin
Not so subtle. These tileable wood patterns are very useful.
Source Elemis
This ons is quite old school looking. Retro, even. I like it.
Source Arno Declercq
Derived from an image that was uploaded to Pixabay by TheDigitalArtist
Source Firkin
Retro Circles Background 8 No Black
Source GDJ
Prismatic Polyskelion Pattern No Background
Source GDJ
A bit like some carbon, or knitted netting if you will.
Source Anna Litvinuk
Formed by heavily distorting part of a an image of a fish uploaded to Pixabay by GLady
Source Firkin
This is the remix of "polka dot seamless pattern".The image depicts polka dot seamless pattern.
Source Yamachem
Remix from a drawing in 'Ostatnie chwile powstania styczniowego', Zygmunt Sulima, 1887.
Source Firkin
f you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
This seamless web background texture looks like gray stone. It's great for using as a background image on web pages, or on some of their elements. Anyway, I hope you will find use for it.
Source V. Hartikainen
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
Remixed from a drawing in 'Hungary. A guide book. By several authors', 1890.
Source Firkin
Remixed from a drawing in 'A Child of the Age', Francis Adams, 1894.
Source Firkin
A re-make of the Gradient Squares pattern.
Source Dimitar Karaytchev