A mid-tone gray pattern with some cement looking texture.
Source Hendrik Lammers
Prismatic Basic Pattern 2 No Background
Source GDJ
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
A seamless paper background colored in pale yellow.
Source V. Hartikainen
Geometric triangles seem to be quite hot these days.
Source Pixeden
Not even 1kb, but very stylish. Gray thin lines.
Source Struck Axiom
More bright luxury. This is a bit larger than fancy deboss, and with a bit more noise.
Source Viszt Péter
A series of 5 patterns. That’s what the P stands for, if you didn’t guess it.
Source Dima Shiper
This is the remix of "Strawberry Pattern Background" uploaded by "GDJ". Thanks. I realigned strawberries so as to get seamless and changed the BG color.
Source Yamachem
It’s like Shine Dotted’s sister, only rotated 45 degrees.
Source mediumidee
A seamless pattern formed from background pattern 102
Source Firkin
The image depicts a seamless pattern of a Japanese family crest called "chidori" in Japanese .A chidori in Japanese means a plover in English.
Source Yamachem
Not strictly seamless in that opposite edges are not identical. But they do marry up to make an interesting pattern
Source Firkin
Sharp diamond pattern. A small 24x18px tile.
Source Tom Neal
Prismatic Triangular Background Design Mark II 5
Source GDJ
Prismatic Groovy Concentric Background No Black
Source GDJ
Remixed from a drawing in 'Paul's Sister', Frances Peard, 1889.
Source Firkin
This is a seamless pattern of a woody texture.The original image is here:https://pixabay.com/ja/users/ClassicallyPrinted-1302233/
Source Yamachem
A seamless pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
Zero CC tileable yellow craft paper; scanned and made by me. CC0
Source Sojan Janso
Sounds French. Some 3D square diagonals, that’s all you need to know.
Source Graphiste
Embossed lines and squares with subtle highlights.
Source Alex Parker
Prismatic Geometric Pattern Background 2 No Black
Source GDJ
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Inspired by a pattern found in 'A General History of Hampshire, or the County of Southampton, including the Isle of Wight', Bernard Woodwood, 1861
Source Firkin