Background formed from the iconic plastic construction bricks that gave me endless hours of fun when I was a lad.
Source Firkin
The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
Utilising some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Derived from an image that was uploaded to Pixabay by Darkmoon1968
Source Firkin
If you’re sick of the fancy 3D, grunge and noisy patterns, take a look at this flat 2D brick wall.
Source Listvetra
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Prismatic Abstract Geometric Background 4 No Black
Source GDJ
From a drawing in 'Hubert Montreuil, or the Huguenot and the Dragoon', Francisca Ouvry, 1873.
Source Firkin
Prismatic Polka Dots 3 No Background
Source GDJ
A dark brown fabric-like background texture with seamless pattern of winding stripes.
Source V. Hartikainen
Luxury pattern, looking like it came right out of Paris.
Source Daniel Beaton
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
Snap! It’s a pattern, and it’s not grayscale! Of course you can always change the color in Photoshop.
Source Atle Mo
Dark blue concrete wall with some small dust spots.
Source Atle Mo
More leather, and this time it’s bigger! You know, in case you need that.
Source Elemis
Tweed is back in style – you heard it here first. Also, the @2X version here is great!
Source Simon Leo
I asked Gjermund if he could make a pattern for us – result!
Source Gjermund Gustavsen
A seamless pattern formed from a square tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-i.
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 seamless pattern with wide vertical stripes colored in pale yellow.
Source V. Hartikainen
This pack of filters can help you adding a blocky overlay to objects. May come handy at drawing blocks of stone.
Source Lazur URH