A yellow tiled background... Blurriness, bokeh effect and rectangles pattern in one mix.
Source V. Hartikainen
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
Pixel by pixel, sharp and clean. Very light pattern with clear lines.
Source M.Ashok
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
Number 5 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
Bright gray tones with a hint of some metal surface.
Source Hendrik Lammers
From a design found in 'History of the Virginia Company of London; with letters to and from the first Colony, never before printed', Edward Neill, 1869.
Source Firkin
A repeating background for websites with a texture of black groove stripes.
Source V. Hartikainen
A light gray wall or floor (you decide) of concrete.
Source Atle Mo
A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin
Derived from elements found in a floral ornament drawing on Pixabay.
Source Firkin
Prismatic Abstract Geometric Background 2
Source GDJ
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
An abstract texture of water. It's not perfect, but will do. You may download if you like it.
Source V. Hartikainen
A background pattern inspired by designs seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Original minus the background
Source Firkin
Medium gray pattern with small strokes to give a weave effect.
Source Catherine
Abstract Ellipses Background Grayscale
Source GDJ
Might not be super subtle, but quite original in its form.
Source Alex Smith
Remixed from a drawing in 'Jezebel's Daughter', Wilkie Collins 1880
Source Firkin