Not even 1kb, but very stylish. Gray thin lines.
Source Struck Axiom
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
The following repeating website background is colored in a blue gray color and resembles a concrete wall or something similar to it.
Source V. Hartikainen
A new take on the black linen pattern. Softer this time.
Source Atle Mo
Prismatic Rounded Squares Grid 3 No Background
Source GDJ
A classic dark tile for a bit of vintage darkness.
Source Listvetra
Prismatic Polka Dots Mark II 3 No Background
Source GDJ
A dark gray, sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
Prismatic Groovy Concentric Background 4 No Black
Source GDJ
A bit of scratched up grayness. Always good.
Source Dmitry
ZeroCC tileable mossy (lichen) stone texture, edited from pixabay. CC0
Source Sojan Janso
The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Lovely pattern with splattered vintage speckles.
Source David Pomfret
If you’re sick of the fancy 3D, grunge and noisy patterns, take a look at this flat 2D brick wall.
Source Listvetra
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
A simple circle. That’s all it takes. This one is even transparent, for those who like that.
Source Saqib
Remixed from a PNG that was uploaded to Pixabay by VictorianLady
Source Firkin
This light yellow background pattern consists of an irregular pattern of spots. Here's a light background pattern with yellowish tint.
Source V. Hartikainen
Fabric-ish patterns are close to my heart. French Stucco to the rescue.
Source Christopher Buecheler
A version without colours blended together to give a different look.
Source Firkin
A light gray fabric pattern with faded vertical stripes.
Source V. Hartikainen
Could be paper, could be a Polaroid frame – up to you!
Source Chaos
A seamless pattern created from a square tile. To get the tile, select the pattern in Inkscape and use shift+alt+i.
Source Firkin
Utilising some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
A seamlessly repeating background pattern of wood. The image is procedurally generated, and, I think, it's turned out quite well.
Source V. Hartikainen
Prismatic Curved Diamond Pattern 3 No Background
Source GDJ
I’m guessing this is related to the Sony Vaio? It’s a nice pattern no matter where it’s from.
Source Zigzain