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
More Textures
Clover with background #237
Paper CC 0Clover with background for St. Patrick's Day. Add to a card with a doily, ribbon, a leprechaun or other embellishments.
Source BAJ
Light Gray #1203
Gray CC BY-SA 3.0Like the name says, light and gray, with some small dots and circles.
Source Brenda Lay
Background pattern 5 #224
Noise CC 0A pattern drawn in Paint.net and vectorized in Inkscape.
Source Firkin
Prismatic Abstract Geometric Background 5@2X #793
Noise CC 0Prismatic Abstract Geometric Background 5
Source GDJ
Green Gobbler@2X #86
Dark CC BY-SA 3.0Luxurious looking pattern (for a T-shirt maybe?) with a hint of green.
Source Simon Meek
Page ornament 54 #2059
Dark CC 0Remixed from a drawing in 'The Canadian horticulturist', 1892
Source Firkin
Prismatic Curved Diamond Pattern 4 No Background #541
Diamond CC 0Prismatic Curved Diamond Pattern 4 No Background
Source GDJ
Redox 02 #851
Light CC BY-SA 3.0After 1 comes 2, same but different. You get the idea.
Source Hendrik Lammers
Background pattern 9 (greyscale) #213
Dark CC BY-SA 3.0Greyscale version of a pattern that came out of playing with the 'light rays' plug-in for Paint.net
Source Firkin
Double Lined #51
Stripes CC BY-SA 3.0Horizontal and vertical lines on a light gray background.
Source Adam Anlauf
Wall #1245
Wall CC 0Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Floral design 99 (colour) #1777
Green CC 0From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Small Steps #1312
Light CC BY-SA 3.0This ons is quite old school looking. Retro, even. I like it.
Source Arno Declercq
Floral background 7 #2225
Yellow CC 0A floral background formed from numerous clones of flower 117.
Source Firkin
leaf seamless pattern #2262
Blue CC 0The image depicts a tiled seamless pattern.The tile represents four leaves aligned every 90 ° , which may look like a bird or a dragon .The original leaf design is from a Japanese old book.
Source Yamachem
Low Contrast Linen@2X #864
Dark CC BY-SA 3.0A smooth mid-tone gray, or low contrast if you will, linen pattern.
Source Jordan Pittman
Background pattern #2000
Dark CC 0Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Background pattern 15 #201
Dark CC 0A seamless pattern the starting point for which was a 'colour modulo' texture in Paint.net.
Source Firkin
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