Light Gray@2X #1204
Gray CC BY-SA 3.0Like the name says, light and gray, with some small dots and circles.
Source Brenda Lay
More Textures
Seamless Prismatic Pythagorean Line Art Pattern No Background@2X #570
Light CC 0Seamless Prismatic Pythagorean Line Art Pattern No Background. A seamless pattern that includes the original tile (go to Objects / Pattern / Pattern To Objects in Inkscape's menu to extract it).
Source GDJ
Dark Sharp Edges #1320
Dark CC BY-SA 3.0Some dark 45 degree angles creating a nice pattern. Huge.
Source Dark Sharp Edges
Background pattern 264 #2071
Orange CC 0The tile for this is based on a repeating unit close to a design on Pixabay. It can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
Background pattern 224 #2342
Colorful CC 0To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Diagmonds@2X #337
Dark CC BY-SA 3.0Love the style on this one, very fresh. Diagonal diamond pattern. Get it?
Source INS
Background pattern 315 (colour 2) #1844
Red CC 0The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Background pattern 334 #1729
Dark CC 0Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
Background pattern 208 (colour 2) #2462
Grid CC 0A seamless pattern created from a square tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
White Well & Star #1700
Wall CC 0Background Wall, Art Abstract, Star Well & CC0 texture.
Source Ractapopulous
Wood@2X #50
Wood CC BY-SA 3.0Dark wooden pattern, given the subtle treatment. based on texture from Cloaks. https://cloaks.deviantart.com
Source Atle Mo
Prismatic Groovy Concentric Background 5@2X #466
Dark CC 0Prismatic Groovy Concentric Background 5
Source GDJ
Inspiration Geometry #1175
Unknow CC BY-SA 3.0This one is rather fun and playful. The 2X could be used at 1X too!
Source Welsley
Crossed wood #2583
Wood CC 0A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Faded Blue Stripe Pattern #939
Stripes CC BY-SA 3.0Just a nice looking textured pattern with faded blue stripes. Well, that's it for today... one background a day, as usual.
Source V. Hartikainen
Lined Paper@2X #1035
Light CC BY-SA 3.0I know there is one here already, but this is sexy!
Source Gjermund Gustavsen
Fabric of Squares@2X #1096
Light CC BY-SA 3.0As far as fabric patterns goes, this is quite crisp.
Source Heliodor Jalba
Rubber Grip@2X #102
Dark CC BY-SA 3.0A very slick dark rubber grip pattern, sort of like the grip on a camera.
Source Sinisha
Dark Brick Pattern #1032
Stone CC BY-SA 3.0A seamless pattern of dark bricks. Maybe it's not very realistic, but it looks good in my opinion.
Source V. Hartikainen