Wild Oliva or Oliva Wilde? Darker than the others, sort of a medium dark pattern.
Source Badhon Ebrahim
Green Background Pattern
Source V. Hartikainen
Prismatic Geometric Tessellation Pattern 2 No Background
Source GDJ
Seamless pattern formed from a tile that can be extracted by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
There are many carbon patterns, but this one is tiny.
Source Designova
Floral patterns will never go out of style, so enjoy this one.
Source Lasma
CC0 and a seamless pattern from a tile drawn in Paint.net .
Source SliverKnight
Just like your old suit, all striped and smooth.
Source Alex Berkowitz
You can never get enough of these tiny pixel patterns with sharp lines.
Source Designova
Number 2 in a series of 5 beautiful patterns. Can be found in colors on the submitter’s website.
Source Janos Koos
I guess this one is inspired by an office. A dark office.
Source Andrés Rigo.
A pale olive green background with a seamless texture.
Source V. Hartikainen
Prismatic Triangular Seamless Pattern III With Background
Source GDJ
Alternative colour scheme. Not a pattern for fabrics, but one produced from a jpg of a stack of fabric items that was posted on Pixabay. The tile that this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin