More Textures
Green [email protected] #92
 Dark  CC BY-SA 3.0

The green fibers pattern will work very well in grayscale as well.

Source Matteo Di Capua

Concrete Wall 2 #79
 Wall  CC BY-SA 3.0

A light gray wall or floor (you decide) of concrete.

Source Atle Mo

Grunge For Surfaces 6 #1403
 Dark  CC 0

Gamedev - Metal Textures. CC0 License.

Source Davit Masia

Skin Side Up #847
 Light  CC BY-SA 3.0

White fabric looking texture with some nice random wave features.

Source Hendrik Lammers

Wood #49
 Wood  CC BY-SA 3.0

Dark wooden pattern, given the subtle treatment. based on texture from Cloaks.

Source Atle Mo
Based from Cloaks

Leafy pattern 7 (colour 2) #1826
 Blue  CC 0

Alternative colour scheme.

Source Firkin

Beige Stripes #938
 Stripes  CC BY-SA 3.0

A repeating background of beige (or is it more vanilla yellow) textured stripes. One more background with stripes.

Source V. Hartikainen

Knitted [email protected] #1098
 Light  CC BY-SA 3.0

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

Source Victoria Spahn

Paper Fibers #1060
 Paper  CC BY-SA 3.0

Just what the name says, paper fibers. Always good to have.

Source Heliodor jalba

[email protected] #1151
 Dark  CC BY-SA 3.0

Tweed is back in style – you heard it here first. Also, the @2X version here is great!

Source Simon Leo

Stone Wall & Red #1506
 Red  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Floral background 6 #2226
 Colorful  CC 0

A seamless floral pattern.

Source Firkin

Background pattern 314 (colour 5) #1835
 Pink  CC 0

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

Source Firkin

Stitched [email protected] #844
 Light  CC BY-SA 3.0

I love these crisp, tiny, super subtle patterns.

Source Badhon Ebrahim

Leaded glass background #2049
 Colorful  CC 0

Seamless pattern the tile.

Source Firkin

Circular frame 26 #1711
 Dark  CC 0

Derived from an image that was uploaded to Pixabay by Darkmoon1968

Source Firkin

Paper texture filter #149
 Paper  CC 0

Filter simulating the texture of heavy paper.

Source Kelan

Floors & Wood #1614
 Wall  CC 0

Floors-Tiles. CC0 License.

Source Unknow

Background pattern 4 #223
 Noise  CC 0

A pattern derived from repeating unit cells each derived from part of a mosaic in paint.net. The starting point for the mosaic was a picture of some prawns!

Source Firkin

Dark Concrete Wall #1193
 Concrete  CC BY-SA 3.0

A free repetitive background with a dark concrete wall like texture. This one may be used in dark web site designs.

Source V. Hartikainen

Vintage pattern #1961
 Grid  CC 0

Formed from a tile based on a drawing from 'Viaggi d'un artista nell'America Meridionale', Guido Boggiani, 1895.

Source Firkin

Chain background #2063
 Dark  CC 0

Remixed from a drawing in 'Canadian forest industries July-December', 1915

Source Firkin

samekomon-01 #2270
 Yellow  CC 0

The image is a remix of "edo pattern-samekomon".I changed the color of dots from black to white and added BG in light-yellow.

Source Yamachem

Triangles #743
 Grid  CC BY-SA 3.0

Sharp but soft triangles in light shades of gray.

Source Pixeden

Small Crackle [email protected] #353
 Light  CC BY-SA 3.0

Light gray pattern with an almost wall tile-like appearance.

Source Markus Tinner

Flourish pattern (colour) #1737
 Yellow  CC 0

Remixed from an image that was uploaded to Pixabay by Pixeline

Source Firkin

Dark Line #1294
 Stone  CC 0

ZeroCC tileable stone texture, edited from pixabay. CC0

Source Sojan Janso

3px [email protected] #343
 Dark  CC BY-SA 3.0

Tiny dark square tiles with varied color tones.

Source Gre3g

Background pattern 312 (colour 2) #1859
 Red  CC 0

Alternative colour scheme

Source Firkin