A slightly grainy paper pattern with small horizontal and vertical strokes.
Source Atle Mo
This was formed by distorting an image of a background on Pixabay.
Source Firkin
No, not the band but the pattern. Simple squares in gray tones, of course.
Source Atle Mo
Prismatic Abstract Line Art Pattern Background 2
Source GDJ
Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
This background image is great for using in web design or graphic design projects. And don't forget to visit the homepage. I frequently update this resource with fresh tileable backgrounds.
Source V. Hartikainen
A light gray background pattern with seamless fabric-like texture and almost unnoticeable stripes.
Source V. Hartikainen
Sharp diamond pattern. A small 24x18px tile.
Source Tom Neal
The image depicts a seamless pattern of the design which includes a stylized lotus and a stylized crane.I referred to the original image in a book which is into public domain.
Source Yamachem
Prismatic Geometric Tessellation Pattern No Background
Source GDJ
This seamless background image should look nice on websites. It has a dark blue gray texture with vertical stripes, it tiles seamlessly and, like all of the background images here, it's free. So, if you like it, take it!
Source V. Hartikainen
A bit strange this one, but nice at the same time.
Source Diogo Silva
Prismatic Triangular Background Design Mark II 5
Source GDJ
Remixed from a drawing in 'A Girl in Ten Thousand', Elizabeth Meade, 1896.
Source Firkin
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
A re-make of the Gradient Squares pattern.
Source Dimitar Karaytchev
Textured Red Brown Plastic, Free Background Pattern. Although there's already enough plastic in our lives, let's bring it to the web too.)
Source V. Hartikainen
A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Dark, crisp and subtle. Tiny black lines on top of some noise.
Source Wilmotte Bastien
This one resembles a black concrete wall when is tiled. It should look great, at least with dark website themes.
Source V. Hartikainen