White Sand #19
Light CC BY-SA 3.0Same as gray sand but lighter. A sandy pattern with small light dots, and some angled strokes.
Source Atle Mo
More Textures
Fake Luxury #621
Diamond CC BY-SA 3.0Fake or not, it’s quite luxurious.
Source Factorio.us Collective
Seamless tile 4 #1812
Red CC 0Not strictly seamless in that opposite edges are not identical. But they do marry up to make an interesting pattern
Source Firkin
Tessellation 15 (colour 2) #2221
Yellow CC 0The unit cell for this seamless pattern can be had in Inkscape by selecting the rectangle and using shift+alt+i.
Source Firkin
Prismatic Geometric Pattern Background@2X #787
Noise CC 0Prismatic Geometric Pattern Background
Source GDJ
Background pattern 314 (colour 5) #1835
Pink CC 0The square tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Decorative divider 228 #2154
Dark CC 0Remixed from a design found in 'History of the Virginia Company of London; with letters to and from the first Colony, never before printed', Edward Neill, 1869.
Source Firkin
Prismatic Geometric Pattern Background No Black@2X #786
Noise CC 0Prismatic Geometric Pattern Background No Black
Source GDJ
Wood Pattern@2X #371
Wood CC BY-SA 3.0One of the few full-color patterns here, but this one was just too good to pass up.
Source Alexey Usoltsev
Inflicted #117
Grid CC BY-SA 3.0Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
Colourful background #2007
Colorful CC 0Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin
Real Carbon Fiber #286
Carbon CC BY-SA 3.0Carbon fiber is never out of fashion, so here is one more style for you.
Source Alfred Lee
Background pattern 315 #1845
Blue CC 0The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Abstract Stars Geometric Pattern Prismatic No Background #384
Noise CC 0Abstract Stars Geometric Pattern Prismatic No Background
Source GDJ
Satin Weave #1044
Light CC BY-SA 3.0Super simple but very nice indeed. Gray with vertical stripes.
Source Merrin Macleod
Background pattern 323 (colour 4) #1809
Green CC 0Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
Background pattern 24 #198
Dark CC 0The starting point for this was a texture drawn with the 'Radial Colors' plug-in in Paint.net.
Source Firkin
Square ornament 38 #2147
Dark CC 0From a design found in 'History of the Virginia Company of London; with letters to and from the first Colony, never before printed', Edward Neill, 1869.
Source Firkin