As far as fabric patterns goes, this is quite crisp.
Source Heliodor Jalba
Background formed from the iconic plastic construction bricks that gave me endless hours of fun when I was a lad.
Source Firkin
Might not be super subtle, but quite original in its form.
Source Alex Smith
And some more testing, this time with Seamless Studio. It’s Robots FFS!
Source Seamless Studio
Not the most creative name, but it’s a good all-purpose light background.
Source Dmitry
Actually, there's no clouds in it, but I think it looks quite nice.
Source V. Hartikainen
A blue gray fabric-like texture for websites. An yet another fabric-like texture. It has subtle vertical and diagonal stripes to it.
Source V. Hartikainen
A seamless pattern created from a square tile. To get the tile, select the pattern in Inkscape and use shift+alt+i.
Source Firkin
A seamless pattern formed from a rectangular tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Derived from a JPG that was uploaded to Pixabay by ractapopulous
Source Firkin
This one is rather fun and playful. The 2X could be used at 1X too!
Source Welsley
Light and tiny, just the way you like it.
Source Rohit Arun Rao
Number 2 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Prismatic Geometric Pattern Variation 2 With Background
Source GDJ
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Some rectangles, a bit of dust and grunge, plus a hint of concrete.
Source Atle Mo
Prepared mostly as a raster in Paint.net and vectorised.
Source Firkin
A seamless pattern based on a tile that can be achieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
Prismatic Snowflakes Pattern 3 No Background
Source GDJ
Remixed from a drawing in 'Kulturgeschichte der Deutschen im Mittelalter' Franz von Loeher, 1891. The unit tile can be had by selecting the rectangle in Inkscape and using shift-alt-i
Source Firkin
Beautiful dark noise pattern with some dust and grunge.
Source Vincent Klaiber
To get the tile this is based on select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
f you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
This is a semi-dark pattern, sort of linen-y.
Source Sagive SEO