Squared Metal #1207
 Gray  CC BY-SA 3.0

Metal. Squared style.

Source doot0

 More Textures
Background pattern 234 (colour 4) #2256
 Pink  CC 0

Drawn in Paint.net and vectorised in Vector Magic.

Source Firkin

P4 #1111
 Light  CC BY-SA 3.0

I skipped number 3, because it wasn’t all that great. Sorry.

Source Dima Shiper

Background pattern brown #1945
 Brown  CC 0

To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.

Source Firkin

Floral pattern 7 (colour 3) #2289
 Pink  CC 0

Utilising some flowers from Almeidah. To get the unit tile, select the rectangle in Inkscape and use shift-alt-i.

Source Firkin

Stone Wall & Yellow #1574
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Ocean decorative divider #1904
 Dark  CC 0

Vector version of a png that was uploaded to Pixabay by pencilparker

Source Firkin

Triangular #1156
 Gray  CC BY-SA 3.0

Dare I call this a «flat pattern»? Probably not.

Source Dax Kieran

Diamond pattern (colour 5) #2281
 Red  CC 0

From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.

Source Firkin

Pineapple Cut #583
 Diamond  CC BY-SA 3.0

I love the movie Pineapple Express, and I’m also liking this Pineapple right here.

Source Audee Mirza

Stone Wall & Purple #1540
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Iron Rusted & Dark Red #1659
 Metal  CC 0

Metal-Rusty. CC0 License.

Source Unknow

Video Game Website Background #1327
 Green  CC BY-SA 3.0

This background pattern has futuristic look. So, maybe it could be used on websites or blogs dedicated to video games?!

Source V. Hartikainen

Prismatic Pointers Background #388
 Noise  CC 0

Prismatic Pointers Background

Source GDJ

[email protected] #194
 Grid  CC BY-SA 3.0

Embossed lines and squares with subtle highlights.

Source Alex Parker

Background pattern 207 #2466
 Yellow  CC 0

A seamless pattern created from a square tile. To get the tile, select the rectangle in Inkscape and use shift+alt+i.

Source Firkin

Blue Stripes Pattern #969
 Stripes  CC BY-SA 3.0

A textured blue background pattern with vertical stripes.

Source V. Hartikainen

Prismatic Rounded Squares Grid 4 No Background #491
 Noise  CC 0

Prismatic Rounded Squares Grid 4 No Background

Source GDJ

Diagonal Striped [email protected] #680
 Stripes  CC BY-SA 3.0

Might not be super subtle, but quite original in its form.

Source Alex Smith

More Rough Wood 6 #1432
 Wood  CC 0

Gamedev - Wood Textures. CC0 License.

Source Davit Masia

Crossword #1301
 Light  CC BY-SA 3.0

Borderline too subtle. Yes, I said it.

Source Ideawebme

"Rusted Metal", Grunge Background #1087
 Metal  CC BY-SA 3.0

A rusty grunge background for websites. Feel free to use it in your site's theme.

Source V. Hartikainen

White Carbon [email protected] #824
 Light  CC BY-SA 3.0

More carbon fiber for your collections. This time in white or semi-dark gray.

Source Badhon Ebrahim

Prismatic Snowflakes Pattern 3 No Background #413
 Light  CC 0

Prismatic Snowflakes Pattern 3 No Background

Source GDJ

Tree Bark #1182
 Light  CC BY-SA 3.0

This one is something special. I’d call it a flat pattern, too. Very well done, sir!

Source GetDiscount

Background pattern 195 #2587
 Grid  CC 0

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

Fabric of [email protected] #1096
 Light  CC BY-SA 3.0

As far as fabric patterns goes, this is quite crisp.

Source Heliodor Jalba

Background pattern 26 (black) #199
 Dark  CC 0

Pattern formed from simple shapes. Black version.

Source Firkin

Retro Intro #893
 Gray  CC BY-SA 3.0

A slightly more textured pattern, medium gray. A bit like a potato sack?

Source Bilal Ketab

Retro Circles Background 7 #431
 Unknow  CC 0

Retro Circles Background 7

Source GDJ

Retro Circles Background 6 #428
 Noise  CC 0

Retro Circles Background 6

Source GDJ