Diamond pattern (colour 6) #2280
Yellow CC 0From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
More Textures
Transparent Square Tiles #298
Grid CC BY-SA 3.0The first pattern on here using opacity. Try it on a site with a colored background, or even using mixed colors.
Source Nathan Spady
Prismatic Abstract Geometric Background #269
Noise CC 0Prismatic Abstract Geometric Background derived from an image on Pixabay.
Source GDJ
Diamond pattern (colour 2) #2284
Green CC 0From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
meshed silhouette-omnibus #2484
Brown CC 0The 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
Decorative divider 224 #2206
Dark CC 0Remixed from a drawing in 'A Child of the Age', Francis Adams, 1894.
Source Firkin
Black Linen@2X #64
Dark CC BY-SA 3.0In the spirit of WWDC 2011, here is a dark iOS inspired linen pattern.
Source Atle Mo
Floral pattern 18 #1716
Dark CC 0A pattern formed from repeated instances of corner decoration 8. To get the basic tile select the rectangle in Inkscape and use shift+alt+i
Source Firkin
Prismatic Geometric Pattern Background 2 No Black@2X #784
Noise CC 0Prismatic Geometric Pattern Background 2 No Black
Source GDJ
Redox 02@2X #852
Light CC BY-SA 3.0After 1 comes 2, same but different. You get the idea.
Source Hendrik Lammers
Leafy pattern 12 #1764
Dark CC 0From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Light Wall #1265
Wall CC 0Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Prismatic Snowflakes Pattern 2 No Background #412
Light CC 0Prismatic Snowflakes Pattern 2 No Background
Source GDJ
lotus crane #2499
Concrete CC 0The image depicts a seamless pattern of the design which includes a stylized lotus and a stylized crane.I referred to the original image in a book which is into public domain.
Source Yamachem
"Dark Wood", Free Web Background #872
Wood CC BY-SA 3.0Feel free to download this "Dark Wood" background texture for your web site. The background tiles seamlessly!
Source V. Hartikainen
Brick Wall@ #1275
Wall CC 0Zero CC tileable brick texture, photographed and made by me. CC0
Source Sojan Janso
Mooning@2X #1141
Gray CC BY-SA 3.0The classic subtle pattern. Sort of wall/brick looking. Or moon-looking?
Source Joel Klein
Strawberry seamless pattern #208
Noise CC 0This is the remix of "Strawberry Pattern Background" uploaded by "GDJ". Thanks. I realigned strawberries so as to get seamless and changed the BG color.
Source Yamachem
Whitey@2X #110
Light CC BY-SA 3.0A white version of the very popular linen pattern.
Source Ant Ekşiler
Rough Concrete Surface #1195
Concrete CC BY-SA 3.0This one resembles a black concrete wall when is tiled. It should look great, at least with dark website themes.
Source V. Hartikainen
Background pattern 214 (colour 2) #2376
Red CC 0A seamless chequerboard pattern formed from a tile that can be had in Inkscape by selecting the rectangle and using shift+alt+i. Alternative colour scheme.
Source Firkin
Leafy pattern 6 #1852
Green CC 0Remixed from a PNG that was uploaded to Pixabay by gingertea
Source Firkin
Cross pattern (negative) #2332
Dark CC 0A seamless pattern formed from cross 4. To get the original tile select the rectangle in Inkscape and use shift-alt-i.
Source Firkin