Snap! It’s a pattern, and it’s not grayscale! Of course you can always change the color in Photoshop.
Source Atle Mo
Background Wall, Art Abstract, Block Well & CC0 texture.
Source Ractapopulous
Awesome name, great pattern. Who does not love space?
Source Nick Batchelor
More in the paper realm, this time with fibers.
Source Jorge Fuentes
A free seamless background image with abstract texture of green "curtain".
Source V. Hartikainen
There are many carbon patterns, but this one is tiny.
Source Designova
Adapted from a drawing in 'Line and form', Walter Crane, 1914.
Source Firkin
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
The starting point for this was a texture drawn with the 'Radial Colors' plug-in in Paint.net.
Source Firkin
By popular request, an outline version of the pentagon pattern.
Source Atle Mo
Formed from a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A seamless pattern from a tile drawn in Paint.net and vectorised in Vector Magic
Source Firkin
The name alone is awesome, but so is this sweet dark pattern.
Source Federica Pelzel
This is lovely, just the right amount of subtle noise, lines and textures.
Source Richard Tabor
A pale orange background pattern with glossy groove stripes.
Source V. Hartikainen
You can never get enough of these tiny pixel patterns with sharp lines.
Source Designova
Dark, crisp and subtle. Tiny black lines on top of some noise.
Source Wilmotte Bastien
The image a seamless pattern derived from a weed which I can't identify.The original weed image is from here:https://jp.pinterest.com/pin/500744052301423641/
Source Yamachem
Sharp diamond pattern. A small 24x18px tile.
Source Tom Neal
Prismatic Groovy Concentric Background 5
Source GDJ
A seamless green background texture. The image is distributed under a Creative Commons License (like all of the images here).
Source V. Hartikainen
This is a grid, only it’s noisy. You know. Reminds you of those printed grids you draw on.
Source Vectorpile
Might not be super subtle, but quite original in its form.
Source Alex Smith
Prismatic Hypnotic Pattern No Background
Source GDJ
Number 3 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos