Carbon Fiber [email protected] #327
 Carbon  CC BY-SA 3.0

Bigger is better, right? So here you have some large carbon fiber.

Source Factorio.us Collective

 More Textures
Project [email protected] #120
 Paper  CC BY-SA 3.0

Light square grid pattern, great for a “DIY projects” sort of website, maybe?

Source Rafael Almeida

Prismatic Abstract Geometric Background 5 #401
 Noise  CC 0

Prismatic Abstract Geometric Background 5

Source GDJ

Floors & Black #1607
 Wall  CC 0

Floors-Tiles. CC0 License.

Source Unknow

Knitted Sweater #1097
 Light  CC BY-SA 3.0

Can never have too many knitting patterns, especially as nice as this.

Source Victoria Spahn

Prismatic Hexagonalist Pattern No [email protected] #804
 Light  CC 0

Prismatic Hexagonalist Pattern No Background

Source GDJ

Background pattern 334 #1729
 Dark  CC 0

Derived from an image that was uploaded to Pixabay by Kaz

Source Firkin

Background pattern yellow #1999
 Yellow  CC 0

Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i

Source Firkin

Stone Wall & Purple #1540
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Prismatic Geometric Tessellation Pattern No [email protected] #552
 Noise  CC 0

Prismatic Geometric Tessellation Pattern No Background

Source GDJ

Moss 1 #2104
 Unknow  CC 0

CC0 textures, backgrounds.

Source SliverKnight

Prismatic Triangular Background Design Mark II 5 #406
 Dark  CC 0

Prismatic Triangular Background Design Mark II 5

Source GDJ

Background pattern 339 #1709
 Dark  CC 0

The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i

Source Firkin

Asfault 6 #1385
 Dark  CC 0

Gamedev - Asphalt textures. CC0 License.

Source Davit Masia

Food #1300
 Yellow  CC BY-SA 3.0

Holy mackerel, it’s colorful—but still subtle.

Source Ilya

Colorful Floral Background 3 No Black #485
 Light  CC 0

Colorful Floral Background 3 No Black

Source GDJ

Floral design 91 #1814
 Dark  CC 0

From a drawing in 'Hubert Montreuil, or the Huguenot and the Dragoon', Francisca Ouvry, 1873.

Source Firkin

Retro Squares Background #414
 Noise  CC 0

Retro Squares Background

Source GDJ

Ribbon pattern 2 (version 2, colour 5) #2035
 Colorful  CC 0

The tile this is based on can be retrieved by selecting the rectangle in Inkscape and using shift+alt+i.

Source Firkin

Wavy background #2022
 Blue  CC 0

CC0 and a seamless pattern from a tile drawn in Paint.net .

Source SliverKnight

Triangular Psychosis 2 #234
 Noise  CC 0

A colorful triangular background, variation 2.

Source GDJ

Tile-able Black Paper Background #1076
 Paper  CC BY-SA 3.0

A black tile-able background with paper-like texture.

Source V. Hartikainen

Floral background 22 (colour) #1779
 Green  CC 0

From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.

Source Firkin

Solid #845
 Gray  CC BY-SA 3.0

A mid-tone gray pattern with some cement looking texture.

Source Hendrik Lammers

Background pattern 323 (colour 2) #1811
 Blue  CC 0

Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.

Source Firkin

Background pattern 242 (colour 4) #2198
 Yellow  CC 0

Random colour tile.

Source Firkin

Prismatic Dots Background 7 #513
 Dark  CC 0

Prismatic Dots Background 7

Source GDJ

AZ Subtle #990
 Light  CC BY-SA 3.0

The A – Z of Subtle? Up to you.

Source Anli

Crackled Cement Wall #1270
 Wall  CC 0

Zero CC tileable Crackled Cement (streaks) texture, photographed and made by me. CC0

Source Sojan Janso