Dare I call this a «flat pattern»? Probably not.
Source Dax Kieran
Everyone loves a diamond, right? Make your site sparkle.
Source AJ Troxell
Same classic 45-degree pattern, dark version.
Source Luke McDonald
Seamless Prismatic Geometric Pattern With Background
Source GDJ
A seamless light gray paper texture with horizontal double lines.
Source V. Hartikainen
High detail stone wall with minor cracks and specks.
Source Projecteightyfive
This background pattern has futuristic look. So, maybe it could be used on websites or blogs dedicated to video games?!
Source V. Hartikainen
The first pattern on here using opacity. Try it on a site with a colored background, or even using mixed colors.
Source Nathan Spady
Seamless Dark Grunge Texture. Here's a new grunge texture for use as a background.
Source V. Hartikainen
Carbon fiber is never out of fashion, so here is one more style for you.
Source Alfred Lee
Derived from a corner decoration itself found as a jpg on Pixabay.
Source Firkin
Detailed but still subtle and quite original. Lovely gray shades.
Source Kim Ruddock
A seamless pattern of leopard skin. It should look nice as a background element on web pages.
Source V. Hartikainen
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
An alternative colour scheme to the original seamless pattern.
Source Firkin
A seamless pattern based on a square tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
Seamless pattern formed from a square tile that can be retrieved in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
There are quite a few grid patterns, but this one is a super tiny grid with some dust for good measure.
Source Dominik Kiss