Tiny little fibers making a soft and sweet look.
Source Badhon Ebrahim
Hexagonal dark 3D pattern. What more can you ask for?
Source Norbert Levajsics
Looks like a technical drawing board: small squares forming a nice grid.
Source We Are Pixel8
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
Prismatic Polka Dots Mark II No Background
Source GDJ
Washi (和紙?) is a type of paper made in Japan. Here’s the pattern for you!
Source Carolynne
Sometimes simple really is what you need, and this could fit you well.
Source Factorio.us Collective
Black And White Floral Pattern Background from PDP.
Source GDJ
A yellow tiled background... Blurriness, bokeh effect and rectangles pattern in one mix.
Source V. Hartikainen
Prismatic Curved Diamond Pattern 8 No Background
Source GDJ
A seamless pattern of "sewn stripes" colored in light gray.
Source V. Hartikainen
The square tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Prismatic Groovy Concentric Background
Source GDJ
Derived from an image that was uploaded to Pixabay by mdmelo.
Source Firkin
A background tile for web with abstract repeating texture of dark "stone wall".
Source V. Hartikainen
Remixed from a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
Nicely executed tiling for an interesting pattern.
Source Ignasi Àvila Padró
Formed from a tile based on a drawing from 'Viaggi d'un artista nell'America Meridionale', Guido Boggiani, 1895.
Source Firkin