45+ Sims 4 CAS Backgrounds: CAS Rooms, Colors & Ellcrze Links

Need a new sims 4 CAS background to change things up?

We’ve put together a great list of backgrounds; there is a little something for everyone.

sims 4 cas background collage

Did you get tired of your sims posing in front of the same blue screen?

Luckily, there is a quick and easy way to change up your Sims 4 CAS background.

Let’s review the basics so you find your new favorite backdrop from our convenient listicle below.

And you can also check out our list of Sims 4 Loading Screens too!

How to Install CAS Background Mods

Here’s a quick recap on how to install CAS backgrounds and other mods.

  • Download your sims 4 CAS background onto your computer
  • Unzip the compressed package file (if applicable)
  • Place the content into your game’s mod folder
  • Restart your game

If you are new to using poses, check out our easy step-by-step poses guide to using CAS poses in Sims 4.

Note: You cannot have more than one CAS background in your mods folder at the same time.

The background file in your mods folder will replace the default blue CAS background.

If you have two or more background cc, they will clash and not work.

Sims 4 CAS Background Designs

Below, you’ll find all types of custom CAS backgrounds: city life, summer beaches, snowy landscapes, and simpler solid color backgrounds.

You’re sure to find your new favorite backdrop.

Note: If you’re interested in Ellcrze cas backgrounds, you’ll notice the links below go to an archives page since Ellcrze left the sims community.

1. CAS Background Pack by NekoChan-Simmer

collage of city and sky inspired backgrounds

Wanting to step away from the standard EA color altogether, this pack of cas backgrounds brings you some moon and anime options.

You’ll find 6 backgrounds, a couple of focus on the moon and vibrant color skies, and the third option contains flowers with a black background.

The remaining 3 backgrounds are anime style, with a more city life focus.

2. Photogenic CAS Backgrounds by Annett

sim posing in photo studio

This set of five CAS backgrounds offers a variety of sceneries.

They all make great options for your sim to pose in, from backdrops to an empty brick room.

My favorite is the studio illustrated above. It makes it like your sim is at an actual photo shoot.

3. Bonsai CAS Background Mod by Ellcrze

sim standing in a bonsai inspired CAS background

This bonsai-inspired CAS background is effortlessly chic and pairs well with beige and earth-tone clothing to create lovely photos.

Plus, the large potted bonsai plant and the large Japanese-style windows create the perfect backdrop for screenshots.

4. Beach Pier CAS Background by Katverse

female sims standing on ocean pier

This background brings your sim outdoors on a lovely beach pier during a hot sunny day.

This scenery is perfect if you want to show off your summer clothing or beachwear.

5. Boho Style CAS Background by Blissfulkissessxx

sim standing in boho style room

This bohemian-styled dressing room background reminds me of a downtown loaf apartment.

This set features neutral colors, patterned carpet, wood, wicker, and plush furniture. It’s simplicity at its best.

6. Attic Room CAS Background by Gmentes

sim standing in an attic room

This attic bedroom with basic decor has a lovely rustic feel with its brick walls and gable ceiling.

This room is an excellent option for your teenage sim seeking privacy from their younger siblings.

7. Walk’n CAS Background V1 by Ellcrze

stylish sim in walk in closet

Do you have an aspiring model in your household or a sim enjoying an influencer career?

With the walk-in closer in the background and packed luggage, this CAS background is ideal for a busy sim on the go.

8. Starlight Sims 4 CAS Background by Nordica-sims

male sim in front of skylight background

This background has a gorgeous galactic-inspired backdrop, with great starlight beaming behind your sim.

This background is an excellent option if you want to replace the game’s default blue create-a-sim background for something more vibrant.

9. Various Room Background CC by Annett

female sim in their bedroom

This set of CAS backgrounds has nine home background options, including modern settings, homey rooms, and even seaside backgrounds.

These backgrounds are ideal for snapping screenshots of your sims in their daily home life.

10. Rainbow CAS Background by Busra-tr

female sims standing in front of mixed color background

This custom content is a bright, gorgeous backdrop to be used as a sims 4 CAS background.

It’s colorful and fresh. This CAS mod looks great for any sim and is much better than the standard blue.

11. Nature CAS Background Options by Shasims

green-tone cas backgrounds

This set of green solid color backgrounds brings such a fresh element to CAS.

You can opt for the softer, lighter colors or choose from the darker swatches like sage and juniper.

My favorite color has to be the eucalyptus, which is not far off from being a pastel tone.

12. Cherry Bloom CAS Background by TheSimAllie

female sim in cherry themed room

This background was inspired by Littledica’s Old School mod, listed at #12.

With this mod, you get the same kind of room but in a pink-themed decor, with cherry wallpaper and a rug.

If you love pink, make sure to grab this cute cas screen background.

13. Brick Background Option by Katverse

sim posing in a brick room

A stark contrast to the previous backdrop, this CAS background is all about whitewashed brick and matching light hardwood floors.

With these neutral colors, your sims outfits will definitely pop through.

I tend to style my sims in ripped jeans or grungier looks when pairing their outfits with a brick background.

14. Black & White CAS Background Set by Katverse

collage of a white and black cas backgrounds

When it comes to CAS backgrounds, it’s nice to have some staple color options available as needed.

And what’s more of a staple than a black or white background?

Each of these solid color backgrounds will allow your sims to be the center of attention and let their outfit designs shine through.

15. Old School CAS Room by Littledica

simple cas background with mirror

This custom sims background set contains six variations with a fresh look to the classic CAS screen from the older sims games.

All variations of this background are the same, except for a different color palette.

I enjoy having the mirror at the back, as it shows the backside of your sim without having to rotate them.

16. Minimalistic CAS Room for Sims 4 by Ellcrze

female sims in a minimaslictic room

While this background is labeled as minimalistic, I love the beautiful wall frame, plant, and wooden door details.

Whether your sims are getting dressed for the office or a charity benefit party, this background provides a classy background.

17. White Loft CAS Background by Katverse

sim standing in front of loft cas background

I adore this bright loft setting; it makes your sim pop more because of all the white surroundings.

It’s simple, elegant, and beautiful. The downtown skyline adds the perfect touch.

18. Coffee CAS Backgrounds by Shasims

coffee colored cas backgrounds

Is anyone else obsessed with coffee?

This set of 6 backgrounds has different shades of coffee, from lighter cappuccino to full choco delight.

These backgrounds are perfect for fall-time outfits you want to screenshot.

19. Dressing Room CAS Backgrounds by Annett

sim inside walk-in closet

CAS is all about creating and styling your sims to reflect your creative vision.

Nothing is better to show off your sims 4 outfits than a dressing room.

This set of 9 fancy and modern-looking dressing rooms is the ideal collection to try on and take pictures of your sim’s various outfits.

20. Moving Day Cas Default Background by Ellcrze

teenage sim in a room full of moving boxes

Do you have a teenage sim ready to move out and take on the world?

This custom background sets the scene of your sims getting ready for that monumental change and all the mess that accompanies the moving day.

I love all the realistic clutter stacked around, especially the teddy bear details; your sim may be starting a new phase but is still a kid at heart.

[RELATED POST: 23+ Super Sims 4 GShade Presets Downloads]

21. Home CAS Background by Gmentes

sim standing in home interior cas background

I like this modern white living and kitchen area photo as a CAS background.

Your sim blends well with the décor, creating overall casual at-home pictures.

22. Aesthetic Closet CAS Background by Bbygyal123


This closet-themed CAS background has a beautifully chic aesthetic, from the open-concept shelving to the furniture and decor pieces.

There are 3 versions available;

  • Light-tone wood with pink accents
  • Medium-tone wood with black accents
  • Dark wood with green accents

23. White Studio Background CC by Busra-tr

female sims standing in white brick room

Another great find is this empty, neutral color, studio sims CAS background.

The lighting hitting the back wall makes it look like a professional photo shoot with a brick backdrop.

Have fun posing with your sim using this sims 4 CAS background.

[RELATED POST: 17+ New Lighting Mods: See The Difference]

24. Pink CAS Backgrounds by NekoChan-Simmer

collage of 5 pink cas backgrounds

I can’t help but love pink.

Pink is soothing, especially when the color palette leans toward dusty rose tones like this custom background set.

You can opt for a solid pink CAS background, bricks, or an outdoor background with trees, the sky, or a moon option.

25. Studio Loft CAS Background by Ellcrze

female sims standing in a studio loft

This studio loft is the perfect background for the creative sims in your household.

With the canvases lying against the wall and the framed windows, this background screams artsy, downtown living.

26. Summer CAS Backgrounds by Katverse

collage of beach cas backgrounds

This CAS mod pack includes five different hot summer beach-inspired backdrops.

Each background offers vibrant outdoor scenes with tropical colors, which generally make for great pictures.

Choose this set to show off your bathing suit’s custom content or other stylish beachwear.

27. Pink Y2K CAS Room by Ellcrze

y2k inspired pink cas background

This adorable CAS room is perfect for trying out all your new Y2K custom content pieces.

I love the large floral carpet and cactus side table, but the Power Puff and Hello Kitty detail are the perfect touches to this room.

28. Marble CAS Background Set by Katverse

collage of marble cas backgrounds

Marble is not just for your sims kitchen countertops; these marble-inspired backgrounds are so pretty.

I’m especially a fan of the blue marble swatch, which has traces of gold running through it.

Depending on the outfit choice, your sim will blend right in with the background, or you can pick a contrasting option to have them pop.

29. Playroom CAS Background by Ellcrze

toddler standing in a CAS playroom

This cute cas background is super sweet and perfect for capturing all those adorable infant and toddler outfits.

With the scattered toys and playroom furniture, it’s nice to come across another case background dedicated to the younger sims in our households.

30. Spring Forest CAS Background by Nordica-sims

female sims standing in a forest

This beautiful custom content background makes your sim like they’re on a stroll through a forest.

This springtime-inspired scenery makes it the perfect backdrop for your spring clothing collection.

31. Mediterranean CAS Background by Kmi00

Mediterranean inspired background

Do you love Mediterranean countries?

Why not bring the Mediterranean to your TS4 game with this exquisite sunset scenery?

This backdrop reminds me of this amazing hotel in Mykonos, Greece.

This CAS background is so beautiful that it will only make gorgeous pictures of your sim.

32. Studio CAS Background With Mirror by Lijoue

female inside a studio style room

This studio-style CAS background is another modern and aesthetically pleasing option for your city living sims.

I like the mix of materials from the thick curtains, white brick walls, and hardwood floors.

It’s a great space to try out some custom outfits.

33. Peach Sims 4 CAS Backgrounds by Shasims

peach colored cas backgrounds

Nothing compliments a fun and creative outfit better than a bright and pretty background color.

This set of 9 backgrounds takes its inspiration from peaches.

You can’t go wrong with these colorful, mostly orange-pink color options.

The bonbon and coral are two of my favorites; they really brighten up the background.

34. Stars & Colors CAS Background by Katverse

sim standing in front of starry pastel backgorund

This background CC is so pretty. I love the brighter pastel colors, and the stars add a nice touch to the whole thing.

This set will have your sims standing out and make some youthful pictures.

35. Winter CAS Background by Busra-tr

sim standing in a snowy outdoor background

This winter wonderland-styled CAS background is ideal for those who love the cold holiday season.

Give something warm for your sim to wear, then send it out in the cold, snowy weather using this charming scenery.

36. Snowy Mt. Komorebi CAS Backgrounds by Katverse

snowy Mt. Komorebi backgrounds

While I’m much more of a beach and water girl, my sims love to ski.

And when they hit the slopes, they need to be sporting their hottest gear.

But you also need some beautiful snowy backgrounds to set the scene, and this Komorebi CAS set comes with 8 options.

And those stunning skies with the late afternoon sunset are just so nicely done.

37. Industrial Chic CAS Room by Thatonegreenleaf

female sim in rustic industrial room

If you like industrial chic decor, this background will give your CAS screen that industrial charm.

Your sims will appear in a brick-walled room with a steel, factory-style window that includes a mirror to have a rear view of your sims.

38. Milica CAS Room Colors by Fernweh

female sim standing fancy dressing room

If your sims love fashion, this background mod is perfect for them.

They’ll get a fancy dressing room with large windows, a makeup table, and stylish accessories spread across the room.

The background comes in nine swatches that change the color of furniture, walls, and flooring.

Pick and install only one at a time.

39. Christmas Morning CAS Background Recolor by Cinnasims

female sim in christmas decorated room

The room featured in this mod is a recolor of LittleDica’s CAS background.

It’s the perfect background for the holiday season, with all its Christmas decorations, gifts, and snowy outdoors visible through the window.

40. Tropical CAS Background Mod by PrettyValidGames

collage sim with colorful backgrounds

If you’re looking for a solid color CAS background, grab this mod, which comes with several swatches.

You can pick one of the six tropical colors, such as:

  • Papaya
  • Star Fruit
  • Rambutan
  • Kiwi
  • Guava
  • PassionFruit

41. Halloween CAS Background Mod by Guemara

female sim in dark black and red room

You can get this recolor of Littledica’s old school CAS room for Halloween.

With its black and red theme, skeletons, and pentagrams, this cas background seems ideal for goth sims or witchy sims.

42. CAS Background Dump for Sims 4 by Cinnasims

female sim posing in front of mirror

If you like the Old-School CAS room from Littledica, this mod is a recolor of the creator’s background.

There are three versions you can pick from:

  • A flashy pink-colored room
  • A classic maple-colored room
  • A dark and colorful rebellious teenager’s room

This mod also comes with a pose pack that you can use on your CAS screen using the Neat trait.

The poses make your sims turn and stare at the mirror.

43. Ceres Background Mod for CAS Screen by Gog0th

male sim standing in green bedroom

This CAS background is for a single bedroom with a dorm room vibe.

The decor and color palette resembles what you would find in a ’70s room, with its vinyl records and roller skates.

44. 1900’s Millinery Historical CAS Background by Surely-Sims

female sims in a 1900s millinery

This mod is for a set of backgrounds for your CAS screen; the four rooms are the same in layout but in different colors.

If you’re a fan of historical eras, this CAS background sets your sims in the 1900s.

Your sims will be standing in a millinery with a tall mirror behind them.

45. Shark Pet CAS Background by Ellcrze

sim standing in blue and white CAS room

This light and bright CAS background is another great option for younger sims or teenagers.

With the shark-themed decor, ocean-color walls, and surfboard in the closet, this background is perfect for sims who love the water.

46. Indoor Winter CAS Background by Bbygyal123

Christmas decorated living room

Here, we have another Christmas-themed CAS room with a great view of the snowy outdoors from the large windows.

Although this CAS background has plenty of wooden tones, it remains light and bright with the white furniture and decor.

Sims 4 CAS Background: Recap

Switching up your CAS background can really take your CAS poses to the next level.

Plus, downloading and adding a new background is super easy to do, so there’s no reason not to try a few different styles out.

We hope you found some new favorite backdrops to try out.

And don’t forget to share and save this pin for later!

sims 4 cas background Pinterest pin

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