A seamless pattern formed from a rectangular tile. The tile can be retrieved by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
The tile this is based on was adapted from an image that was uploaded to Pixabay by frolicsomepl. It can be had in Inkscape by selecting the rectangle and using shift+alt+i
Source Firkin
A hint of orange color, and some crossed and embossed lines.
Source Adam Anlauf
Embossed lines and squares with subtle highlights.
Source Alex Parker
Prismatic Groovy Concentric Background 3 No Black
Source GDJ
This pattern comes in orange, and it looks as if it is "made of glass".
Source V. Hartikainen
It’s a hole, in a pattern. On your website. Dig it!
Source Josh Green
Traced from a drawing in 'Household Stories from the Collection of the Brothers Grimm', Wilhelm Carl Grimm , 1882.
Source Firkin
From a drawing in 'Less Black than we're painted', James Payn, 1884.
Source Firkin
Prismatic Geometric Tessellation Pattern 4 No Background
Source GDJ
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
Prismatic Groovy Concentric Background 4 No Black
Source GDJ
Brushed aluminum, in a bright gray version. Lovely 2X as well.
Source Andre Schouten
Just to prove my point, here is a slightly modified dark version.
Source Atle Mo
Alternative colour scheme for the original floral pattern.
Source Firkin
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin
Zero CC tileable seed texture, edited by me to be seamless from a Pixabay image. CC0
Source Sojan Janso
Adapted heavily from a JPG that was uploaded to Pixabay by Viscious-Speed.
Source Firkin
From a drawing in 'In an Enchanted Island', William Mallock, 1892.
Source Firkin
A seamlessly tile-able grunge background image.
Source V. Hartikainen
Abstract Tiled Background Extended 12
Source GDJ