Transparent Square Tiles@2X #299
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
More Textures
Wavy background #2019
Colorful CC 0CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Decorative divider #1943
Dark CC 0Inspired by a drawing in 'Poems', James Smith, 1881.
Source Firkin
Simple Horizontal Light #982
Light CC BY-SA 3.0Sometimes you just need the simplest thing.
Source Fabricio
Transparent Square Tiles@2X #299
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
Hexellence@2X #706
Light CC BY-SA 3.0Detailed but still subtle and quite original. Lovely gray shades.
Source Kim Ruddock
Rubber Grip@2X #102
Dark CC BY-SA 3.0A very slick dark rubber grip pattern, sort of like the grip on a camera.
Source Sinisha
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
Subtle Surface #925
Light CC BY-SA 3.0Super subtle indeed, a medium gray pattern with tiny dots in a grid.
Source Designova
Decorative divider 243 #2082
Dark CC 0From a drawing in 'Sun Pictures of the Norfolk Broads', Ernest Suffling, 1892.
Source Firkin
Dark Tile-able Grunge Texture #1123
Grunge CC BY-SA 3.0Dark Tile-able Grunge Texture. I think this texture can be classified as grunge. It's free and seamless, as always.
Source V. Hartikainen
Leafy pattern 11 (colour) #1763
Green CC 0From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
Page ornament #1987
Dark CC 0Remixed from a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
Zig Zag@2X #329
Dark CC BY-SA 3.0So tiny, just 7 by 7 pixels – but still so sexy. Ah yes.
Source Dmitriy Prodchenko
stone filter pack #154
Stone CC 0This pack of filters can help you adding a blocky overlay to objects. May come handy at drawing blocks of stone.
Source Lazur URH
45-Degree Fabric@2X #2
Fabric CC BY-SA 3.0Medium gray fabric pattern with 45-degree lines going across.
Source Atle Mo
Inflicted #117
Grid CC BY-SA 3.0Dark squares with some virus-looking dots in the grid.
Source Hugo Loning
Bright Squares #87
Light CC BY-SA 3.0It’s okay to be square! A nice light gray pattern with random squares.
Source Waseem Dahman
Skeletal Weave@2X #932
Light CC BY-SA 3.0Imagine you zoomed in 1000X on some fabric. But then it turned out to be a skeleton!
Source Angelica
White Brushed@2X #1184
Wall CC BY-SA 3.0Brushed aluminum, in a bright gray version. Lovely 2X as well.
Source Andre Schouten
Prismatic Curved Diamond Pattern No Background@2X #537
Diamond CC 0Prismatic Curved Diamond Pattern No Background
Source GDJ
Background pattern 256 (colour) #2138
Red CC 0Remixed from a design on Pixabay. To get the tile this is based on select the rectangle in Inkscape and use shift-alt-i
Source Firkin
Background Patterns - Emerald #252
Fabric CC 0If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Background pattern purple #1946
Colorful CC 0To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
stripe seamless pattern #2279
Dark CC 0The image depicts a seamless pattern which was made using stripe-like things including borders.I used OCAL cliparts called "Blue Greek Key With Lines Border" uploaded by "GR8DAN" and "daisy border" uploaded by "johnny_automatic".Thanks.
Source Yamachem