Food #1300
 Yellow  CC BY-SA 3.0

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

Source Ilya

 More Textures
Retro Circles Background 8 #435
 Dark  CC 0

Retro Circles Background 8

Source GDJ

Green Fibers #91
 Dark  CC BY-SA 3.0

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

Source Matteo Di Capua

Page ornament 23 #2357
 Dark  CC 0

Formed in Paint.net and vectorised in Vector Magic.

Source Firkin

[email protected] #289
 Light  CC BY-SA 3.0

Washi (和紙?) is a type of paper made in Japan. Here’s the pattern for you!

Source Carolynne

Cork 4 #2111
 Unknow  CC 0

CC0 textures, backgrounds.

Source SliverKnight

Background Patterns - Crimson #250
 Fabric  CC 0

If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117

Source Viscious-Speed

White Wall 3 #1148
 Wall  CC BY-SA 3.0

This one needs to be used in small areas; you can see it repeat.

Source Luca

"Brown Stone", Seamless Web Texture #1030
 Stone  CC BY-SA 3.0

This background texture resembles stone. It may be used as a background on web pages or on some of their html elements (header, borders, menu bar, etc.). Just modify it for your needs.

Source V. Hartikainen

Shattered #951
 Gray  CC BY-SA 3.0

A large pattern with funky shapes and form. An original. Sort of origami-ish.

Source Luuk van Baars

Floral pattern 17 (colour) #1724
 Orange  CC 0

Derived from an image that was uploaded to Pixabay by mdmelo.

Source Firkin

Subtle Striped Brown Background Pattern #940
 Stripes  CC BY-SA 3.0

Here's a brown background pattern with subtle stripes. I hope you'll like the color. If not, feel free to change it using an image editor, if you know how of course. Personally, I'm using GIMP to create these backgrounds.

Source V. Hartikainen

Diamond Metal Plate #1397
 Metal  CC 0

Gamedev - Metal Textures. CC0 License.

Source Davit Masia

Stone Wall & Dark #1542
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Prismatic Geometric Tessellation Pattern 2 No [email protected] #554
 Noise  CC 0

Prismatic Geometric Tessellation Pattern 2 No Background

Source GDJ

Lyonnette #761
 Gray  CC BY-SA 3.0

Small crosses with round edges. Quite cute.

Source Tish

Leaftrim & Black #1684
 Paper  CC 0

Paper-Wallpaper. CC0 License.

Source Unknow

Background pattern 289 (colour 2) #1936
 Red  CC 0

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

Source Firkin

Background pattern 272 (colour 2) #2056
 Pink  CC 0

A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i.

Source Firkin

Asfault 8 #1387
 Dark  CC 0

Gamedev - Asphalt textures. CC0 License.

Source Davit Masia

Concrete Wall 3 #93
 Light  CC BY-SA 3.0

All good things come in threes, so I give you the third in my little concrete wall series.

Source Atle Mo

Seamless Core Pattern 10 #171
 Dark  CC 0

Seamless Core Pattern 10

Source GDJ

Dark [email protected] #620
 Dark  CC BY-SA 3.0

Continuing the geometric trend, here is one more.

Source Mike Warner

Tall plant #1818
 Dark  CC 0

From a drawing in 'The Christian Year', John Keble, 1880

Source Firkin

Wood 8 #1452
 Wood  CC 0

Gamedev - Wood Textures. CC0 License.

Source Davit Masia

Subtle Stripes #751
 Stripes  CC BY-SA 3.0

Vertical lines with a bumpy, yet crisp, feel to it.

Source Raasa

Reticular Tissue #763
 Light  CC BY-SA 3.0

The act or state of corrugating or of being corrugated, a wrinkle; fold; furrow; ridge.

Source Anna Litvinuk

Background pattern 302 #1894
 Red  CC 0

The tile this fill pattern is based on can be had by using shift+alt+i on the rectangle.

Source Firkin