Not sure if this is related to the Nami you get in Google image search, but hey, it’s nice!
Source Dertig Media
Derived from an image that was uploaded to Pixabay by Kaz
Source Firkin
Super simple but very nice indeed. Gray with vertical stripes.
Source Merrin Macleod
Vector version of a png that was uploaded to Pixabay by pencilparker
Source Firkin
A seamless background texture of old cardboard.
Source V. Hartikainen
The original enhanced with some gradients.
Source Firkin
Black brick wall pattern. Brick your site up!
Source Alex Parker
Carbon fiber is never out of fashion, so here is one more style for you.
Source Alfred Lee
I scanned a paper coffee cup. You know, in case you need it.
Source Atle Mo
Same as Silver Scales, but in black. Turn your site into a dragon with this great scale pattern.
Source Alex Parker
Submitted as a black pattern, I made it light and a few steps more subtle.
Source Andy
One more from Badhon, sharp horizontal lines making an embossed paper feeling.
Source Badhon Ebrahim
Looks like an old rug or a computer chip.
Source Patutin Sergey
The rectangular tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
From a drawing in 'Bond Slaves. The story of a struggle.', Isabella Varley, 1893.
Source Firkin
A seamless pattern of "sewn stripes" colored in light gray.
Source V. Hartikainen
The image depicts a seamless pattern of Japanese Edo pattern called "kikkou-matsu" or "亀甲松" meaning " tortoiseshell-pinetree".The real pinetree is like this: https://jp.pinterest.com/pin/500744052301065077/
Source Yamachem
It’s okay to be square! A nice light gray pattern with random squares.
Source Waseem Dahman
To get the tile this is made up from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Prismatic Abstract Geometric Background 4 No Black
Source GDJ
Just like your old suit, all striped and smooth.
Source Alex Berkowitz
Heavily remixed from a drawing that was uploaded to Pixabay by ractapopulous
Source Firkin
A monochrome pattern from a tile that can be had by selecting the rectangle in Inkscaope and using shift+alt+i
Source Firkin
Prismatic Abstract Geometric Background 5
Source GDJ
Prismatic Snowflakes Pattern 2 No Background
Source GDJ
High detail stone wall with minor cracks and specks.
Source Projecteightyfive