39 Best Sims 4 CAS Backgrounds to Freshen Up Your Game

Looking for an easy way to spruce up your Sims 4 CAS experience? With 36 custom Sims 4 CAS backgrounds, you’ll have the perfect backdrop for all of your Sim’s makeovers and photoshoots.

sims 4 cas background

I just love how The Sims 4 allows for so much customization. And one of the best ways to customize your sim is by giving them a fresh new background. Honestly, it’s one of the best features of The Sims game.

You can really make your sims stand out by changing up their background to match their personality type.

For example, if you’re going to create a sim for marriage, you might want to consider giving them a CAS background related to marriage. Take my word for it: it surely helps to create a sim that actually meets your needs.

And, if you are like me and LOVE to take pictures of your sims in CAS, then you know how important it is to have a good background. And let’s be honest, we all want to take amazing pictures of our Sims.🤩

P.S. Don’t forget to check out the 31+ Must-Have Sims 4 CAS Mods (Updated!) and 19+ Amazing Sims 4 Lighting Mods [Updated!].

This post is all about the best Sims 4 CAS backgrounds.

Best Sims 4 CAS Backgrounds

1. Studio Loft Sims 4 CAS Background – Ellcrze

studio loft sims 4 cas background

One of my favorite Sims 4 CAS backgrounds I’ve used is the Studio Loft. It’s perfect for giving your Sims a classic, chic look. The background comes with all the necessary decor items like furniture, artwork, and plants.

This background is also great for adding a unique twist to your sims’ environments. The mix of modern and classic elements gives this background a unique and stylish look that will impress all your Sims friends.

I highly recommend this background to anyone looking for a fresh, exciting twist on their sims’ CAS.

2. Autumn Sims 4 Cas Background – Flaresims

sims 4 autumn cas background

What is autumn without the leaves falling off the trees? The colors are always so beautiful, and The Sims 4 has made it possible to have these colors as your CAS background.

There are 12 CAS background solid colors that match each item, like cloves, mango, honey, apple, bean, radish, pea, cinnamon, pumpkin, wine, etc. These incredibly matching colors will make your sims look great in any outfit and any skin tone.

And don’t FORGET the blue blob or shadow that appears when you first use these colors, but with a shadow remover mod, it will go away and your Sims will look fabulous!

[RELATED POST: 25+ Sims 4 Fall CC Pieces to Embrace the Autumn Vibes]

3. Cool Sims 4 CAS Background Mod – Lovable Lucy

sims 4 cas background mod

How freakin’ cool is it that you can have different colors as your CAS background in The Sims 4?

This is probably my favorite CAS background set. There are two CAS background sets that come with it. And it also comes with a loading screen. So you can have different pictures for your loading screen, too.

Just make sure to download only one CAS background mod so your game doesn’t get messed up.

I don’t know about you, but I think these backgrounds are pretty cool. And it makes my game look a lot better.

4. Sims 4 CAS Background With Mirror – Littledica

sims 4 cas background with mirror

Want to create a realistic and stylish Sims game? Then you need to get this CAS background mod!

This background mod is still trending and super popular because it is just that good. When I first saw this CAS background, I was like, “Wow”!

This is so much BETTER than the old and outdated green one. Plus, you get a mirror behind the sim so their back image is well reflected. How cool is that?

5. Aesthetic Sims 4 CAS Background – Ellcrze

sims 4 aesthetic cas background

Here’s your chance to get a little bit more creative with your Sims looks! With these CAS backgrounds, you can have even more fun with design and make your Sims truly unique.

This is actually a recolor of Little Dica’s Old School CAS background (just above in this list), which is already a great option for your game.

But this one has a brick wall in the background and a hanging plant that adds to the overall aesthetic of your game. Plus, the colors are really eye-catching; it’s a perfect combination of modern and retro. Your Sims will definitely stand out with this background!

[RELATED POST: 31+ Best Sims 4 CAS Poses That’ll Always Make Your Sim Look Good]

6. Luxe Sims 4 CAS Background – Ellcrze

luxe sims 4 cas background

How exciting is it to get a luxurious backdrop for your Sims customization? With Ellcrze’s Luxe Sims 4 CAS Background, you can give your Sims a chic and stylish look.

This background features sandalwood color shades with the background of a piano, a violin, and a hanging plant.

This setup creates a soft, dreamy aura that’ll make your Sims look even more beautiful! It’s the perfect backdrop for creating an unforgettable look.

7. Cute Sims 4 CAS Background – Snowkimx

sims 4 cute cas background

OMG, this CAS background is so cute and perfect for my teen sims! The colors are soft, and the patterns are small, making it look really delicate and pretty.

Plus, it’s perfect for creating a girly and cute look for Sims. Definitely one of my favorites! If your sims are in need of a makeover, then this is the background for you!

8. Peach Sims 4 CAS Backgrounds – Shasims

sims 4 cas background peach

Who doesn’t love a little bit of peach in their Sims’ lives? With these nine lovely shades of peach, you can add a touch of femininity to your CAS backgrounds.

From the delicate rose to the playful sprinkles, there’s a shade of peach for everyone. And with names like Dahlia and Tulip, no one can resist these CAS backgrounds.

So add a little bit of sweetness to your Sims 4 game today with these lovely peach CAS backgrounds.

9. Black and White Sims 4 CAS Backgrounds

sims 4 black and white cas backgrounds

Everyone loves a good black-and-white photo, right? Well, now your sims can have that same classic look with these new CAS backgrounds!

Plus, they’re great for creating contrast in your pictures. If you are looking for a CAS background to edit into a certain color scheme, then this is the background for you!

You can take your photos to the next level with these new CAS backgrounds!

[RELATED POST: The Best Sims 4 Hair CC: All The Sims 4 Hairstyles You Need In Your CC Folder]

10. Halloween Sims 4 CAS Background – Ellcrze

sims 4 halloween cas background

If you’re looking to really amp up the spook factor of your Sims 4 family, then look no further than Ellcrze’s Halloween CAS Background!

This unique CAS background features a colorful, vibrant, eerie graveyard lit up by the full moon, a skull, creepy gravestones, and a dark atmosphere.

I love how the background also changes depending on the season, adding to the overall spooky feel.

And the best part? You can choose from two versions: one with a gray or one with a black wall.

[RELATED POST: 31+ Sims 4 Halloween CC: Get Ready for a Spooky Celebration]

11. Solid Color Sims 4 CAS Background – NekoChan -Simmer

sims 4 cas background solid color

What pretty colors these CAS backgrounds have! They come in 18 colors too—that’s amazing!

And they work great as backgrounds for your Sims 4 game characters! They mostly have dark colors, but some of them are neutral solid colors.

They’re perfect if you’re looking for CAS backgrounds that have solid colors! Whatever background color you need, you’re sure to find it here!

12. Sims 4 CAS Background Room – Praleska

sims 4 cas background room

Want to try something new for your CAS background? How about this CAS background room? This set comes with three different backgrounds: one bedroom, one art room, and one rustic look.

Switch things up and make your CAS look more interesting than ever before. These backgrounds are sure to add some excitement to your Sims game.

13. Gradient Sims 4 CAS Backgrounds – Katverse

sims 4 cas backgrounds gradient

These backgrounds are perfect for Sims who LOVE color and life. Give your game a vibrant look with these CAS backgrounds.

The Mix and Match of these CAS Backgrounds gradient packs come with seven different backgrounds.

Whether you prefer pinkish, purplish, or any other color, they will definitely give your background a lovely look.

14. Livin Sims 4 CAS Background – Ellcrze

cas backgrounds

Wow, this CAS background from Ellcrze is amazing! I love the living room setup with the mirror, plant, and books. The colors in the background are perfect for giving any female sim a stunning makeover.

I had so much fun playing around with my Sims and creating different styles. With this background, you can let your creativity run wild!

[RELATED POST: 33+ Sims 4 Career Mods: Make Your Dream Job a Reality]

15. Pink Sims 4 CAS Backgrounds – NekoChan – Simmer

sims 4 cas backgrounds pink

Omg, a big treat for all pink lovers. A pack of five different and unique backgrounds includes trees, a solid color, the sky, bricks, and a moon in pink shade designs.

Especially look at the pink tree background. This will make your sims look gorgeous.

Who doesn’t love pink? Everybody does, right? So, get this pack of five pretty pink CAS backgrounds now!

16. Sulani Sims 4 CAS Background Mod – Katverse

sims 4 cas background mod sulani

I’ve said it once, and I’ll say it again: just make sure to use only one CAS background in your mods folder at a time!

These Sulani backgrounds are gorgeous and perfect for any sim who wants to get in touch with their natural side. With three options to choose from, your sim will be spoilt for choice.

Option 2 is my favorite. This will give your sim a lovely view of the seashore, with soft waves lapping at the shore. If you want to take a picture of your Sim in its natural habitat, this is the background for you!

[RELATED POST: 35+ Amazing Sims 4 Mermaid CC (Hair, Tails, Scales, & More)]

17. Brown Sims 4 CAS Background – Shasims

cas background for sims 4

Have you ever tried the Sims 4 brown CAS backgrounds? Not your typical solid colors, but instead these rich and creamy shades? They work great as backgrounds for your Sims 4 game.

Beige, cappuccino, and latte are the perfect mid-shades of brown, and they’ll make your Sims look amazing. Just the right amount of chocolatey in your background, goodness.

Yum! So if you’re looking for something a little different, go ahead and check out these brown CAS backgrounds.

[RELATED POST: 31+ Custom Sims 4 Loading Screens to Transform Your Game]

18. Playroom Sims 4 CAS Background – Ellcrze

sims 4 playroom cas background

Honestly, this Playroom Sims 4 CAS Background is a must-have for any sim player who loves to play with toddlers and kids!

The background includes a kid’s room setup that is decorated with toys, books, and more. Plus, there’s a big mirror in the background that adds to the experience of playing with younger Sims.

It’s a perfect way to create an immersive and realistic atmosphere for your Sims.

19. Urban Pastel Sims 4 CAS Backgrounds – Xurbansimsx

cas background sims 4

Bring some more excitement to your Sims 4 game by downloading this pretty pastel CAS background!

With six different pastel colors to choose from, you can easily find one that suits your taste. From pink to green, blue, yellow, and orange, these colors will definitely add some life to your game.

20. Sparkly Stars Sims 4 CAS Background – Katverse

sims 4 sparkly stars cas background

I’ve always been a fan of CAS backgrounds that have a little bit of everything, and this one is no different.

It’s got a great mix of colors, and the stars just make it pop. This is definitely a background that will make your Sims shine. And don’t forget, it’s also great for taking screenshots!

[RELATED POST: 85+ Stunning Sims 4 CC Clothes Packs (Sims 4 Dresses) To Add To Your CC Folder ]

21. Sims 4 Y2k CAS Background – Ellcrze

sims 4 y2k cas background

I’m pretty sure everyone will love how cool these backgrounds look in their games.

This background is a must-have for any Y2K or teen Sims player! However, it also comes in 36 different patterns and designs!

It has all the elements that make a perfect CAS background: soft pink walls with cute hearts and stars. Plus, I absolutely adorned the couch with a pink fluffy blanket. You can customize your sims’ looks with futuristic and trendy clothes, hairstyles, jewelry, and accessories!

[RELATED POST: 37+ Incredible Sims 4 Barbie CC for Pixel Dolls]

22. Book Store Sims 4 CAS Backgrounds – Ellcrze

book store sims 4 cas background

When I first saw the Book Store CAS Background from Ellcrze, I was instantly excited.

Not only does it come with a beautiful wooden shade that is perfect for a cozy CAS room, but it also has a door that adds an amazing vintage feel. Plus, the hanging plants around the room, instantly create a wonderland of beauty!

23. Summer Sims 4 CAS Background – Katverse

sims 4 summer cas backgrounds

Most of the time, when we think of PRETTY backgrounds, we think of places like nature parks or flower gardens. But what about in your game?

In The Sims 4, there are a ton of different CAS backgrounds that can make your game even more beautiful!

One of these backgrounds is the Sims 4 Summer CAS background. As you can probably tell from the name, this background is perfect for taking pictures in bright, popping colors.

And some of the backgrounds even have a seaside or greenery theme to them! There are five different backgrounds in this pack, so you’re sure to find one that you love.

24. Lavender Sims 4 CAS Backgrounds- Shasimss

sims 4 lavender cas background

It’s never been easier to create the sim of your dreams! With these lavender CAS backgrounds, you can really let your creativity shine.

With so many different shades of purple, who could resist?

Along with the sweat pea, lisianthus, amethyst, and cornflower blue backgrounds, your sims will look fabulous in any color you choose.

25. Cottage Room Sims 4 CAS Background – Ellcrze

sims 4 cas backgrounds

This Sims 4 CAS background mod is not only aesthetically pleasing but also provides a cozy atmosphere for your Sims.

The hanging plants look realistic and add a nice touch to the background. The pot plants are also great for adding a bit of greenery to your Sims home.

The wall colors come in blue and white stripes, as well as a version with white and green stripes. Personally, green is my favorite; it is the perfect shade of green to bring a bit of life and color into your Sims’ home.

With this background mod, you can instantly create a cottage-living atmosphere for your Sims.

26. Dream Color Sims 4 CAS Backgrounds – NekoChan -Simmer

sims 4 dream color cas backgrounds

Is there anything better than a colorful and vibrant CAS background? I think not!

The Sims 4 Dream Color CAS background pack comes with three different CAS backgrounds, all of which are gradient colors. If you want your CAS background to be more colorful and exciting, then this one is definitely for you!

Plus, this pack also has the same loading screen sets as CAS Backgrounds, so your game will always look amazing!

[RELATED POST: 35+ Best Sims 4 GShade Presets for Eye-Catching Graphics]

27. Walk’n Sims 4 CAS Background – Ellcrze

sims 4 cas background room

However, if you’re looking for something with a little more personality, then Ellcrze’s Walk’n CAS Background is perfect for you.

Not only does this one-of-a-kind background feature a unique combination of colors, but it also comes with a variety of interactive objects such as doors, windows, and furniture.

With three distinct shades of brown, you can create a look that perfectly complements your Sim’s outfit. My favorite of the three The second one is a warm sandy hue that gives off an inviting and cozy atmosphere.

28. Fall Sims 4 CAS Backgrounds – Xurbansimsx

sims 4 fall cas backgrounds

I can’t believe how stunning this Sims 4 CAS background is! I love how it comes in 19 different colors in fall-inspired collections.

How amazing is it that we can now have access to so many different colors and options for our game? This is going to make my game look so much more beautiful. Thank you for providing us with such an amazing CAS background!

29. Minimalist Sims 4 CAS Background – Ellcrze

minimalist sims 4 cas background

I highly recommend this minimalist Sims 4 CAS background by Ellcrze if you’re looking to bring a sense of calm and tranquility into your game.

The background comes in two versions, both of which feature a sandal shade and a brownish hue, with one pot plant scattered around the scene for a bit of greenery.

It’s perfect for creating a cozy, clutter-free environment for your Sims to inhabit, or if you simply want to add a bit of color to the mix.

30. Wedding Sims 4 CAS Backgrounds -Annett

sims 4 wedding cas backgrounds

I can’t get over how gorgeous these wedding CAS backgrounds are!

They have so many different wedding location backgrounds to choose from, and they’re perfect for making your sim’s wedding day extra special.

How could you not want one of these backgrounds for your Sims’ big day?

[RELATED POST: 23+ Stunning Sims 4 Wedding Poses For A lovely Photo Shoot]

31. SIMS 2 Inspired CAS Background For Sims 4 – Simsi45

TS2 CAS background for sims 4

It’s no secret way to show off your Sim’s great style than with a TS2-inspired CAS background. This background is perfect for any fashion-savvy Sim and is bound to make them more stylish than ever before.

The mirror behind the Sim is not only functional but also a great way to show off their fabulous outfit.

32. Moving Day Sims 4 CAS Background – Ellcrze

moving day sims 4 cas background

Just imagine the possibilities with Ellcrze’s Moving Day CAS background! This awesome background comes with all the necessary items to make your sims’ move-in day amazing.

Unpack the dorm room luggage bag, grab a stack of books for that college class, break out the comfy shoes, and hang some string lights to give the place a cozy atmosphere.

Add in some Post-it notes for a personal touch and some toys for fun, and the move-in day is complete! With this CAS background, you can create so many exciting simulations and move-in stories.

33. Nature Sims 4 CAS Background – Shasims

sims 4 nature cas background

Is your game all about the environment and being one with nature? If so, then you’re in luck because these CAS backgrounds are perfect for you!

With a VARIETY of different green backgrounds, as well as some cactus and olive options, these backgrounds are perfect to show off your nature-loving side.

[RELATED POST: 33+ Sims 4 Trait Mods: Unlock Your Sims Hidden Potential]

34. Watercolor Sims 4 CAS Background – Katverse

sims 4 watercolor cas background

This is not a common thing you see, but this CAS background is perfect for adding some excitement and color to your game.

It has a TON of colors that really make it stand out and look pretty. I highly recommend checking out this background for your Sims game.

35. Elle’s Attic Sims 4 CAS Background – Ellcrze

sims 4 cute cas background

This amazing CAS background from Ellcrze is the perfect choice if you’re looking for something truly unique and special. It comes complete with a hanging clothes rack, a vintage-style violin, a selection of books, and a beautiful design wall.

The background mirror is the ultimate statement piece to make your creation truly stand out. I love the attention to detail in this CAS background; it’s full of little touches that add depth and realism.

[RELATED POST: 35 Trendy Sims 4 Christmas CC and Mods (Decor, Tree, and More!)]

36. Aesthetic Closet Sims 4 CAS Background – bbygyal123

sims 4 closet cas background

Wow, can you believe it? A set of three stunning CAS backgrounds for your Sims 4 game! These backgrounds are perfect for any sim who loves a touch of aesthetic in their lives.

Each background is based on a different wood tone, so you can choose the one that fits your sim’s style the best.

I personally love the light version with its adorable pink accents, but the medium and dark versions are just as gorgeous! Trust me, this set will be your recent obsession too.

37. Cute Sims 4 Autumn CAS Background – PilarLeon

aesthetic sims 4 cas background

38. Sims 4 Aesthetic CAS Background Mods – PilarLeon

sims 4 custom cas background

39. Sims 4 Lemon CAS Background – PilarLeon

ts4 cas background

This post was all about the best Sims 4 CAS backgrounds.

There you have it: 31 of the best Sims 4 CAS backgrounds to help freshen up your gameplay. As always, be sure to experiment to see what works best for you and your style. And don’t forget to have fun! Happy Simming 😍

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