Classic vertical lines, in all its subtlety.
Source Cody L
Carbon fiber is never out of fashion, so here is one more style for you.
Source Alfred Lee
This is the remix of an OCAL clipart called "Art Nouveau ornament" uploaded by "microcosme".Thanks.This is a seamless pattern of an Art Nouveau ornament.
Source Yamachem
A bit like some carbon, or knitted netting if you will.
Source Anna Litvinuk
This background pattern contains a seamless texture of bark. It's not very realistic, but I think it looks quite nice.
Source V. Hartikainen
It’s okay to be square! A nice light gray pattern with random squares.
Source Waseem Dahman
You don’t see many mid-tone patterns here, but this one is nice.
Source Joel Klein
Simple gray checkered lines, in light tones.
Source Radosław Rzepecki
Light honeycomb pattern made up of the classic hexagon shape.
Source Federica Pelzel
Kaleidoscope Prismatic Abstract No Background
Source GDJ
A seamless texture of worn out "cardboard".
Source V. Hartikainen
Luxurious looking pattern (for a T-shirt maybe?) with a hint of green.
Source Simon Meek
This is the remix of "blue wave-seigaiha".The image depicts a seamless pattern of the front upper part of Japanese five yen coin which is used currently.This design represents a rice with ripe golden ears.
Source Yamachem
Not so subtle. These tileable wood patterns are very useful.
Source Elemis
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
The name Paisley reminds me of an old British servant. That’s just me.
Source Swetha
Pattern that came out of playing with the 'slinky' plug-in for Paint.net
Source Firkin
Zero CC tileable grass texture, photographed and made by me. CC0
Source Sojan Janso
Remixed from a raster on Pixabay, that was uploaded by ArtsyBee.
Source Firkin
Light gray pattern with an almost wall tile-like appearance.
Source Markus Tinner
Seamless pattern the tile for which can be had by using shift-alt-I on the selected rectangle in Inkscape.
Source Firkin