Snap! It’s a pattern, and it’s not grayscale! Of course you can always change the color in Photoshop.
Source Atle Mo
Inspired by a pattern I saw in a 19th century book. This seamless pattern was created from a square tile. To get the tile, select the pattern in Inkscape and use shift+alt+i.
Source Firkin
A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin
Gold Triangular Seamless Pattern No Background
Source GDJ
The classic 45-degree diagonal line pattern, done right.
Source Jorick van Hees
A dark gray, sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
Just like your old suit, all striped and smooth.
Source Alex Berkowitz
To celebrate the new feature, we need some sparkling diamonds.
Source Atle Mo
One can never have too few rice paper patterns, so here is one more.
Source Atle Mo
A comeback for you: the popular Escheresque, now in black.
Source Patten
To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Zero CC Mossy stone tileable texture, photographed and made by me. CC0
Source Sojan Janso
Lovely light gray floral motif with some subtle shades.
Source GraphicsWall
The edges of all the red objects line up either vertically or horizontally, but it doesn't appear so. Made from a square tile that can be got by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Derived from elements found in a floral ornament drawing on Pixabay.
Source Firkin
Not the most creative name, but it’s a good all-purpose light background.
Source Dmitry
From an image on opengameart.org shared by rubberduck.
Source Firkin