Used correctly, this could be nice. Used in a bad way, all hell will break loose.
Source Atle Mo
Based on an image that was uploaded to Pixabay by devanath
Source Firkin
From a drawing in 'Royal Ramsgate', James Simson, 1897.
Source Firkin
Formed by heavily distorting part of a an image of a fish uploaded to Pixabay by GLady
Source Firkin
Everyone loves a diamond, right? Make your site sparkle.
Source AJ Troxell
This reminds me of Game Cube. A nice light 3D cube pattern.
Source Sander Ottens
Light honeycomb pattern made up of the classic hexagon shape.
Source Federica Pelzel
This light blue background pattern is quite pleasing to the eye, it consists of a tiny rough grid pattern, which is seamless by design. That's it, if you like the color, you can use this seamless pattern in a web design without making any further modifications to it.
Source V. Hartikainen
Pass parameters to the URL or edit the source code variables to configure the graph paper for the division desired.
Source JayNick
Dark, crisp and subtle. Tiny black lines on top of some noise.
Source Wilmotte Bastien
From a drawing in 'Picturesque New Guinea', J Lindt, 1887.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Remixed from a drawing that was uploaded to Pixabay by captenpub.
Source Firkin
Prismatic Geometric Pattern Background 2 No Black
Source GDJ
From a drawing in 'Worsborough; its historical associations and rural attractions', Joseph Wilkinson, 1879.
Source Firkin
ZeroCC tileable beechwood wood texture, generated in Neo Texture Edit by me. CC0
Source Sojan Janso
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
This is so subtle you need to bring your magnifier!
Source Carlos Valdez
Abstract Tiled Background Extended 12
Source GDJ
A large pattern with funky shapes and form. An original. Sort of origami-ish.
Source Luuk van Baars
A series of 5 patterns. That’s what the P stands for, if you didn’t guess it.
Source Dima Shiper
Looks as if it's spray painted on the wall. You can be sure that this pattern will seamlessly fill your backgrounds on web pages.
Source V. Hartikainen