Not so subtle. These tileable wood patterns are very useful.
Source Elemis
A white version of the very popular linen pattern.
Source Ant Ekşiler
Prismatic Floral Pattern 3 Variation 3 No Background
Source GDJ
Oh yes, it happened! A pattern in full color.
Source Atle Mo
A version without colours blended together to give a different look.
Source Firkin
Prismatic Geometric Pattern Background No Black
Source GDJ
Prismatic Floral Background No Black
Source GDJ
If you want png files of this u can download them here : viscious-speed.deviantart.com/gallery/27635117
Source Viscious-Speed
Prismatic Snowflakes Pattern No Background
Source GDJ
A background pattern inspired by designs seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.
Source Firkin
Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857. The tile this is based on can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin
A bit like smudged paint or some sort of steel, here is scribble light.
Source Tegan Male
A frame using leaves from an image that was uploaded to Pixabay by mayapujiati
Source Firkin
Alternative colour scheme for the original floral pattern.
Source Firkin
Brushed aluminum, in a bright gray version. Lovely 2X as well.
Source Andre Schouten
Prismatic Rounded Squares Grid 4 No Background
Source GDJ
The tile can be had by using shift+alt+i on the selected rectangle in Inkscape
Source Firkin
Prismatic Geometric Pattern Variation 2 With Background
Source GDJ
Here's a subtle marble-like background for use on websites.
Source V. Hartikainen
Psychedelic Geometric Background No Black
Source GDJ
Some rectangles, a bit of dust and grunge, plus a hint of concrete.
Source Atle Mo
Remixed from a design seen on Pixabay. The basic tile can be had by selecting the rectangle in Inkscape and using shift+alt+i
Source Firkin
Seamless , tileable CC-0 texture. Created by my own, feel free to use wherever you want!
Source Linolafett
I guess this is inspired by the city of Ravenna in Italy and its stone walls.
Source Sentel
The base gradient edited so now more details are rendered.
Source Lazur URH
Bright Multicolored Floral Background by Karen Arnold from PDP.
Source GDJ