P5@2X #1114
Light CC BY-SA 3.0Number five from the same submitter, makes my job easy.
Source Dima Shiper
More Textures
Background pattern purple #1952
Colorful CC 0To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Criss-cross pattern #1895
Dark CC 0A criss-cross pattern similar to one I saw mown into a sports field.
Source Firkin
HIXS Evolution@2X #610
Dark CC BY-SA 3.0Heavy depth and shadows here, but might work well on some mobile apps.
Source Damian Rivas
Decorative divider 214 #2315
Dark CC 0From a drawing in 'Kingsdene', Maria Fetherstonehaugh, 1878.
Source Firkin
Prismatic Abstract Background Design No Black #404
Noise CC 0Prismatic Abstract Background Design No Black
Source GDJ
Smooth Wall@2X #28
Light CC BY-SA 3.0Some rectangles, a bit of dust and grunge, plus a hint of concrete.
Source Atle Mo
Prismatic Hypnotic Pattern 2 No Background@2X #574
Noise CC 0Prismatic Hypnotic Pattern 2 No Background
Source GDJ
Background pattern 269 #2062
Dark CC 0A seamless pattern the unit cell for which can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Prismatic Snowflakes Pattern 2 No Background #412
Light CC 0Prismatic Snowflakes Pattern 2 No Background
Source GDJ
Rough Concrete Surface #1194
Concrete CC BY-SA 3.0A seamless texture of a rough concrete surface.
Source V. Hartikainen
Floral design 108 #1706
Dark CC 0Derived from an image that was uploaded to Pixabay by darkmoon1968
Source Firkin
Seamless 3D Isometric Tessellation Pattern 2 #147
Light CC 0A seamless pattern that includes the original tile (go to Objects / Pattern / Pattern To Objects in Inkscape's menu to extract it).
Source GDJ
Cork Floor #1281
Yellow CC 0Zero CC tileable cork floor, photographed and made by me. CC0
Source Sojan Janso
"Glossy Pink Fur", Pink Background Pattern #1235
Pink CC BY-SA 3.0Here's a quite bright pink background pattern for use on websites. It doesn't look like a real fur, but it definitely resembles one.
Source V. Hartikainen
Background pattern 245 #2192
Green CC 0This was formed by distorting an image of a background on Pixabay.
Source Firkin
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 234 (colour 4) #2256
Pink CC 0Drawn in Paint.net and vectorised in Vector Magic.
Source Firkin
Argyle@2X #644
Dark CC BY-SA 3.0Classy golf-pants pattern, or crossed stripes if you will.
Source Will Monson
Prismatic Geometric Pattern Variation 2 With Background #471
Noise CC 0Prismatic Geometric Pattern Variation 2 With Background
Source GDJ