Bright gray tones with a hint of some metal surface.
Source Hendrik Lammers
The image depicts a seamless pattern of a tortoise in tortoiseshell (hexagon).
Source Yamachem
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Just what the name says, paper fibers. Always good to have.
Source Heliodor jalba
From a drawing in 'Bond Slaves. The story of a struggle.', Isabella Varley, 1893.
Source Firkin
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
This is the remix of "plant pattern 02".I changed the object color to white and the BG to purple.The image a seamless pattern derived from a weed which I can't identify.The original weed image is from here:jp.pinterest.com/pin/500744052301423641/
Source Yamachem
More in the paper realm, this time with fibers.
Source Jorge Fuentes
From a drawing in 'Kingsdene', Maria Fetherstonehaugh, 1878.
Source Firkin
Prismatic Groovy Concentric Background 3
Source GDJ
Clean and crisp lines all over the place. Wrap it up with this one.
Source Dax Kieran
Derived from an image that was uploaded to Pixabay by mdmelo.
Source Firkin
If you like it a bit trippy, this wave pattern might be for you.
Source Ian Soper
A free web background image with a seamless concrete-like texture and an Indian-red color.
Source V. Hartikainen
Colour version that is close to the original drawing uploaded to Pixabay by pencilparker.
Source Firkin
People seem to enjoy dark patterns, so here is one with some circles.
Source Atle Mo
Prismatic Geometric Tessellation Pattern 3 No Background
Source GDJ
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Nothing like a clean set of bed sheets, huh?
Source Badhon Ebrahim
A huge one at 800x600px. Made from a photo I took going home after work.
Source Atle Mo
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin