Prismatic Abstract Geometric Background 2 No Black
Source GDJ
The classic subtle pattern. Sort of wall/brick looking. Or moon-looking?
Source Joel Klein
Prismatic Abstract Geometric Background 4 No Black
Source GDJ
An interesting dark spotted pattern at an angle.
Source Hendrik Lammers
Number 2 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Prismatic Curved Diamond Pattern 8 No Background
Source GDJ
A huge one at 800x600px. Made from a photo I took going home after work.
Source Atle Mo
Prismatic Polyskelion Pattern No Background
Source GDJ
Number 5 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
From a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
Colorful Floral Background 3 No Black
Source GDJ
Embossed lines and squares with subtle highlights.
Source Alex Parker
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
A seamless pattern that includes the original tile (go to Objects / Pattern / Pattern To Objects in Inkscape's menu to extract it).
Source GDJ
A smooth mid-tone gray, or low contrast if you will, linen pattern.
Source Jordan Pittman
Remixed from a drawing in 'The Canadian horticulturist', 1892
Source Firkin
Heavy depth and shadows here, but might work well on some mobile apps.
Source Damian Rivas
A pattern formed from a squared tile. The tile can be accessed in Inkscape by selecting the rectangle and using shift-alt-i.
Source Firkin
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Just to prove my point, here is a slightly modified dark version.
Source Atle Mo