From a drawing in 'The Quiver of Love', Walter Crane, 1876
Source Firkin
Made by distorting a simple pattern using the 'sin waves' plugin for Paint.net and vectorising in Vector Magic
Source Firkin
A seamless pattern based on a tile that can be achieved by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Like the name says, light and gray, with some small dots and circles.
Source Brenda Lay
Colored maple leaves scattered on a surface. This is tileable, so it can be used as a background or wallpaper.
Source Eady
He influenced us all. “Don’t be sad because it’s over. Smile because it happened.”
Source Atle Mo
Nice little grid. Would work great as a base on top of some other patterns.
Source Arno Gregorian
Prismatic Hypnotic Pattern No Background
Source GDJ
A frame using leaves from an image that was uploaded to Pixabay by mayapujiati
Source Firkin
Sort of like the back of a wooden board. Light, subtle, and stylish, just the way we like it!
Source Nikolalek
Prismatic Polka Dots Mark II 2 No Background
Source GDJ
Spice up your next school project with this icon background.
Source Swetha
A bit strange this one, but nice at the same time.
Source Diogo Silva
Dead simple but beautiful horizontal line pattern.
Source Fabian Schultz
Might not be super subtle, but quite original in its form.
Source Alex Smith
Could be paper, could be a Polaroid frame – up to you!
Source Chaos
Everyone loves a diamond, right? Make your site sparkle.
Source AJ Troxell
Seamless Green Tile Background
Source V. Hartikainen
Prismatic Isometric Cube Extra Pattern No Background
Source GDJ
To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
From a drawing in 'Uit de geschiedenis der Heilige Stede te Amsterdam', Yohannes Sterck, 1898.
Source Firkin