Like the name says, light and gray, with some small dots and circles.
Source Brenda Lay
From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
This one is something special. I’d call it a flat pattern, too. Very well done, sir!
Source GetDiscount
Prismatic Chevrons Pattern 5 With Background
Source GDJ
A bit strange this one, but nice at the same time.
Source Diogo Silva
Based on an image that was uploaded to Pixabay by devanath
Source Firkin
Same as gray sand but lighter. A sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
Not so subtle. These tileable wood patterns are very useful.
Source Elemis
A seamless pattern the starting point for which was a 'rainbow twist' texture in Paint.net.
Source Firkin
A large (588x375px) sand-colored pattern for your ever-growing collection. Shrink at will.
Source Alex Tapein
Prismatic Abstract Geometric Background 3
Source GDJ
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
I skipped number 3, because it wasn’t all that great. Sorry.
Source Dima Shiper
Derived from a corner decoration itself found as a jpg on Pixabay.
Source Firkin
More carbon fiber for your collections. This time in white or semi-dark gray.
Source Badhon Ebrahim
The original enhanced with one of Inkscapes's filters.
Source Firkin
From a drawing in 'Cowdray: the history of a great English House', Julia Roundell, 1884.
Source Firkin
A colourful background drawn originally in paint.net and vectorised in Vector Magic.
Source Firkin
Lovely pattern with splattered vintage speckles.
Source David Pomfret