It almost looks a bit blurry, but then again, so are fishes.
Source Petr Šulc
A dark one with geometric shapes and dotted lines.
Source Mohawk Studios
I love cream! 50x50px and lovely in all the good ways.
Source Thomas Myrman
Derived from a PNG that was uploaded to Pixabay by nutkitten
Source Firkin
The base gradient edited so now more details are rendered.
Source Lazur URH
Dead simple but beautiful horizontal line pattern.
Source Fabian Schultz
Prismatic Geometric Tessellation Pattern 2 No Background
Source GDJ
Don’t look at this one too long if you’re high on something.
Source Luuk van Baars
No, not the band but the pattern. Simple squares in gray tones, of course.
Source Atle Mo
Adapted from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Prismatic Hypnotic Pattern No Background
Source GDJ
Bumps, highlight and shadows – all good things.
Source Badhon Ebrahim
A smooth mid-tone gray, or low contrast if you will, linen pattern.
Source Jordan Pittman
He influenced us all. “Don’t be sad because it’s over. Smile because it happened.”
Source Atle Mo
One of the few full-color patterns here, but this one was just too good to pass up.
Source Alexey Usoltsev
An abstract texture of water. It's not perfect, but will do. You may download if you like it.
Source V. Hartikainen
From a drawing in 'Royal Ramsgate', James Simson, 1897.
Source Firkin
Zero CC tileable wood texture, made by me procedurally in Neo Texture Edit.
Source Sojan Janso
A seamless pattern based on a rectangular tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
On a large canvas you can see it tiling, but used on smaller areas, it’s beautiful.
Source Paul Phönixweiß
Abstract Geometric Monochrome Pattern Prismatic No Background
Source GDJ
Remixed from a PNG that was uploaded to Pixabay by VictorianLady
Source Firkin