15+ CSS Triangle Backgrounds

Last Updated on by in CSS Examples
CSS Triangle Pattern Backgrounds

Welcome to our site! We’re excited to share the latest collection of CSS triangle background examples. These free HTML and CSS triangle background code examples enhance the visual beauty and add a sense of balance and harmony to the website’s look and feel.

CSS triangular background is a triangular-shaped background; web designers use it to make their web projects look more attractive, appealing, and progressive. In this compendium, we have curated awesome CSS triangular backgrounds with immersive effects, including random triangles, triangular grids, random colors, infinite SVG triangle fusion, and many more.

Earlier, it was very difficult to design triangles without the use of images, but now, using only CSS technology, developers can easily create triangles without images. Sourced from renowned platforms, including GitHub and CodePen, it aims to make triangle backgrounds lightweight, resulting in faster page loading and a direct improvement in the SEO ranking of your web projects.

Let’s explore the collection of CSS triangular background and get the creative idea for your next web project.

01. Random Triangle Background

See the Pen
Random Triangle Background with SASS(SCSS)
by Russian Rebouças (@Russian60)
on CodePen.


Author: Russian Rebouças @Russian60
Links: Source Code / Demo
Created on: February 01, 2014
Made with: HTML, CSS, SCSS

02. CSS-only Triangular Grid

See the Pen
CSS-only triangular grid
by Ben Edwards (@benedfit)
on CodePen.


Author: Ben Edwards @benedfit
Links: Source Code / Demo
Created on: September 01, 2016
Made with: HTML(Pug), CSS (Stylus)

03. Triangle Background CSS

See the Pen
Triangle Background css
by chokonido (@chokonido)
on CodePen.


Author: chokonido @chokonido
Links: Source Code / Demo
Created on: April 15, 2016
Made with: HTML(Pug), CSS(Sass)

04. Triangle Background Random Color

See the Pen
Triangle Background Random Color
by Becky (@beckyfung)
on CodePen.


Author: Becky @beckyfung
Links: Source Code / Demo
Created on: June 09, 2016
Made with: CSS, JS

05. Triangle Shapes with Background Image

See the Pen
Triangle shapes with background image
by Ghada (@GhadaBoum)
on CodePen.


Author: Ghada @GhadaBoum
Links: Source Code / Demo
Created on: January 11, 2017
Made with: HTML, CSS

06. Infinite SVG Triangle Fusion

See the Pen
Infinite SVG Triangle Fusion
by Rob DiMarzo (@robdimarzo)
on CodePen.


Author: Rob DiMarzo @robdimarzo
Links: Source Code / Demo
Created on: December 16, 2018
Made with: HTML(Pug), CSS(Stylus)

07. Pure CSS Grid Tile Flip

See the Pen
Pure CSS ???? grid tile flip
by Ana Tudor (@thebabydino)
on CodePen.


Author: Ana Tudor @thebabydino
Links: Source Code / Demo
Created on: February 13, 2019
Made with: HTML(Pug), CSS, SCSS

08. Triangle Pattern

See the Pen
Triangle Pattern
by Ann H. (@merkund)
on CodePen.


Author: Ann H. @merkund
Links: Source Code / Demo
Created on: February 26, 2019
Made with: HTML, CSS, SCSS

09. 3D Triangles Tessellated Pattern

See the Pen
3D Triangles Tessellated Pattern – No Div – Pure CSS
by Josetxu (@josetxu)
on CodePen.


Author: Josetxu @josetxu
Links: Source Code / Demo
Created on: February 25, 2022
Made with:  CSS

10. Triangle Grid Images

See the Pen
Triangle Grid Images
by Jaymar G. Aranas (@jaymar-g-aranas)
on CodePen.


Author: Jaymar G. Aranas @jaymar-g-aranas
Links: Source Code / Demo
Created on: January 25, 2020
Made with: HTML, CSS

11. Triangle Background

See the Pen
Triangle background
by ASAO (@ASAO)
on CodePen.


Author: ASAO @ASAO
Links: Source Code / Demo
Created on: January 23, 2018
Made with: HTML, CSS

12. Responsive Triangle Background Images

See the Pen
Responsive Triangle Background Images
by Edd Yerburgh (@eddyerburgh)
on CodePen.


Author: Edd Yerburgh @eddyerburgh
Links: Source Code / Demo
Created on: December 02, 2015
Made with: HTML, CSS

13. Animated Triangle Background

See the Pen
Untitled
by Flugg (@flugg)
on CodePen.


Author: Flugg @flugg
Links: Source Code / Demo
Created on: June 04, 2014
Made with: HTML(Haml), CSS, SCSS

14. CSS Triangle Pattern Background

See the Pen
CSS triangle pattern background
by Edmundo Santos (@edmundojr)
on CodePen.


Author: Edmundo Santos @edmundojr
Links: Source Code / Demo
Created on: July 19, 2016
Made with: HTML, CSS

15. Triangles Animation

See the Pen
Triangles Animation
by Lindsay Grizzard (@lindsayrusd)
on CodePen.


Author: Lindsay Grizzard @lindsayrusd
Links: Source Code / Demo
Created on: January 12, 2017
Made with: HTML, CSS, SCSS

16. Swirling Triangles

See the Pen
Swirling Triangles (Green Sock Animation)
by halvves (@halvves)
on CodePen.


Author: halvves @halvves
Links: Source Code / Demo
Created on: February 25, 2016
Made with: HTML, CSS, SCSS

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Hi, I'm Digamber Singh, a New Delhi-based full-stack developer, tech author, and open-source contributor with 10+ years' experience in HTML, CSS, JavaScript, PHP, and WordPress.