Starting Diamond Shape #137
 Light  CC BY-SA 3.0

Simple blue and line to mix.

Source SliverKnight

 More Textures
Floral pattern 13 #1756
 Green  CC 0

From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.

Source Firkin

White Grunge Background #1124
 Grunge  CC BY-SA 3.0

This white background pattern has a seamless grunge style texture. Here's a white grunge style background pattern. Use it as a tiled background image on web sites or for other purposes.

Source V. Hartikainen

Black Metal Pipes #1089
 Metal  CC BY-SA 3.0

An abstract texture of black metal pipes (seamless).

Source V. Hartikainen

Background pattern 227 (colour 4) #2311
 Green  CC 0

A seamless background drawn in Paint.net and vectorised with Vector Magic. The starting point was a photograph of drinking straws from Pixabay.

Source Firkin

Geometric pattern 6 #1930
 Dark  CC 0

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

Source Firkin

Tessellation 16 #2215
 Yellow  CC 0

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

Source Firkin

45-Degree Fabric #1
 Fabric  CC BY-SA 3.0

Medium gray fabric pattern with 45-degree lines going across.

Source Atle Mo

Brushed Alum #67
 Light  CC BY-SA 3.0

A light brushed aluminum pattern for your pleasure.

Source Tim Ward

meshed silhouette-omnibus #2484
 Brown  CC 0

The image depicts meshed silhouettes of various things.The original image is an OCAL clipart called "Enter FOSSASIA 2016 #IoT T-shirt Design Contest" uploaded by "openclipart".Thanks.

Source Yamachem

Prismatic Polka Dots Mark II No Background #530
 Noise  CC 0

Prismatic Polka Dots Mark II No Background

Source GDJ

Colorful Bicycles Background #207
 Noise  CC 0

Pixabay.

Source GDJ

Blue Gray Fabric Like Texture #934
 Stripes  CC BY-SA 3.0

A blue gray fabric-like texture for websites. An yet another fabric-like texture. It has subtle vertical and diagonal stripes to it.

Source V. Hartikainen

"Seamless Bark", Website Background. #879
 Wood  CC BY-SA 3.0

This background pattern contains a seamless texture of bark. It's not very realistic, but I think it looks quite nice.

Source V. Hartikainen

Wall #4 [email protected] #780
 Wall  CC BY-SA 3.0

I’m starting to think I have a concrete wall fetish.

Source Atle Mo

Prismatic Abstract Geometric Background 4 No [email protected] #443
 Dark  CC 0

Prismatic Abstract Geometric Background 4

Source GDJ

Gray Dots Background Pattern #1127
 Grid  CC BY-SA 3.0

A seamless background pattern with impressed gray dots.

Source V. Hartikainen

Gray Floral #755
 Gray  CC BY-SA 3.0

Floral patterns might not be the hottest thing right now, but you never know when you need it!

Source Lauren

Abstract Ellipses Background Grayscale #814
 Dark  CC 0

Abstract Ellipses Background Grayscale

Source GDJ

cloth texture 02 #2449
 Fabric  CC 0

This is a dark-red seamless cloth texture.

Source Yamachem

Fruit on a branch #1969
 Dark  CC 0

From a drawing in 'Line and form', Walter Crane, 1914.

Source Firkin

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

Continuing the geometric trend, here is one more.

Source Mike Warner

Black Leather Texture (Seamless) #1118
 Leather  CC BY-SA 3.0

A seamless texture of black leather. I think it will look best when used in headers, footers or sidebars.

Source V. Hartikainen

[email protected] #706
 Light  CC BY-SA 3.0

Detailed but still subtle and quite original. Lovely gray shades.

Source Kim Ruddock

White Bed [email protected] #822
 Light  CC BY-SA 3.0

Nothing like a clean set of bed sheets, huh?

Source Badhon Ebrahim

Prismatic Abstract Background Design No [email protected] #790
 Noise  CC 0

Prismatic Abstract Background Design No Black

Source GDJ

[email protected] #952
 Gray  CC BY-SA 3.0

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

Source Luuk van Baars

"Gray Stripes", Background Pattern #941
 Stripes  CC BY-SA 3.0

This one is quite simple in design, it consists of vertical stripes layered on top of a seamless texture.

Source V. Hartikainen

Prismatic Geometric Pattern Variation 2 With Background #471
 Noise  CC 0

Prismatic Geometric Pattern Variation 2 With Background

Source GDJ

Subtle [email protected] #956
 Light  CC BY-SA 3.0

The Grid. A digital frontier. I tried to picture clusters of information as they traveled through the computer.

Source Haris Šumić