<iframe src="https://www.googletagmanager.com/ns.html?id=GTM-W3R8R6G&gtm_auth=AU1ugrxhJK_EQcp9wg5qxA&gtm_preview=env-1&gtm_cookies_win=x" height="0" width="0" style="display:none;visibility:hidden"></iframe>

56 lighthearted theme designs graphics for t-shirt and print on demand merch

Download lighthearted theme t-shirt designs and other merch graphics like book covers, phone cases, tote bags and more.

Sort by

Most relevant
Playful Cute Shark With Smile Logo Design Suitable For Kids Or Marine Themed
Vector illustration of a playful black cat lounging on a broomstick, surrounded by Halloween-themed elements and text promoting a party on October 31. Perfect for festive invitations.
Funny love-themed doodle stickers with hearts, gifts and sweet treats for Valentine's Day
Soccer Coach - Humorous Definition T-Shirt Design
Charming fairy illustration with vibrant colors, featuring a green dress and blue wings, expressing joy and whimsy
This vector features a croissant with a happy expression, bright colors, and a simple cartoon style, ideal for bakery or food themes, cheerful and playful.
Colorful planets with happy faces, rings, stars, and moons on a bright pink background cartoon vector illustration for educational materials, or fun space-themed
A cute cartoon watermelon slice stands with wide eyes and raised arms, conveying surprise and a touch of worry. Perfect for fun, food-themed projects!
strawberry characters, ideal for children's books, illustrations, stickers, and playful designs. Perfect for adding fun to various projects.
Clown in a cupcake costume on a purple background with a blank speech bubble, perfect for April Fools or humor themes.
Charming black and white vector illustration of a horse with a braided mane and a decorative floral pattern. Ideal for children s designs, animal-themed projects, and more.
Cute and Cartoonish Bunnies: Adorable bunny clip art featuring chubby cheeks, expressive eyes, and endearing poses, perfect for creating charming and lighthearted Easter-themed content.
Seamless Cute Sleeping Cats and Moons Pattern for Cozy Pajamas, Pet-Themed Prints, or Relaxing Nighttime Designs
Ice Cream Cartoon T-shirt Design with Fun, Colorful, and Playful Graphics
Adorable kawaii-style cupcake illustration featuring pink frosting, a cherry topping, and a light green background. Perfect for sweet-themed projects and playful designs
A cartoon-style vector illustration of a cactus with the word Wanted above it. The cactus is green with multiple arms, set against a white background.
Pattern with repeating chocolate cake slices topped with a cherry on a soft beige background, creating a fun, sweet, and playful dessert-themed design.
A fun and colorful pattern featuring chocolate donuts with green sprinkles and pineapples on a white background. Ideal for food-related designs or playful themes.
A whimsical fairy with pointed ears and a vibrant blue dress, exuding joy and magic in a playful pose
illustration of a vibrant-colored Giraffe, perfect for a children or kid theme
Halloween-Themed 404 Error Page - Perfect for Festive Website Error Screens or Seasonal Designs
Ice Cream Seamless Summer Pattern. Cute ice cream cones and bars on a blue and white checkered seamless background. Flat cartoon style, hand-drawn with bright summer dessert theme.
Cute cartoon bunny ears accessory for springtime and Easter celebrations and dress up fun.
A festive Halloween design features the words "Happy Halloween" in colorful letters, adorned with spooky elements like bats, candles, and pumpkins, against a soft pink background.
Charming illustration of a cute mouse holding a book and pointing with a stick, showcasing a playful and educational theme. Perfect for children s materials and playful designs
Seamless Cute Sleeping Cats and Moons Pattern for Cozy Pajamas, Pet-Themed Prints, or Relaxing Nighttime Designs
Flat style illustration of a cute baby elephant standing with a cheerful expression, ideal for childrens books, educational materials, and animal-themed designs.
Seamless Pattern of Playful Dancing Skeletons on white Background: Halloween-Themed Design
Seamless Cute Sleeping Cats and Moons Pattern for Cozy Pajamas, Pet-Themed Prints, or Relaxing Nighttime Designs
Charming retro style floral pattern with simple blossoms and leaves on a teal background
Vibrant collection of diverse characters dressed up for Halloween. Individuals engaged in creative festivities, displaying their unique costumes in joyful celebration
Flat Vector Illustration of Seamless Pattern with Abstract Flowers and Leaves. Vibrant Pink, Yellow, and Green Palette. Decorative Design for Backgrounds, Wrapping Paper, or Textile Prints
illustration of a cheerful, vibrant-colored penguin, perfect for a children or kid theme
illustration of backpack, perfect for a kid school or education theme
Seamless Cute Sleeping Cats and Moons Pattern for Cozy Pajamas, Pet-Themed Prints, or Relaxing Nighttime Designs
Seamless Pattern Featuring Princesses with Crowns, Fairies with Wings and Wands, and Hearts. Magical Composition on Light Background. Decorative Design for Kids and Fantasy Themes. Vector Illustration
Smiling clown in a cupcake costume with a speech bubble on a black background, creating a humorous and festive design.
Vibrant Gradient Circular Backgrounds Set for Spring Cards. Fresh Green Yellow Blue Gradient Background. Heart Shaped Springtime Design for Nature Themed Abstract Circular Art.
illustration of a cute, vibrant-colored elephant, perfect for a children's theme
Light blue background with white four-leaf clovers scattered evenly, featuring curved thin stems. The seamless, fresh pattern feels cheerful, whimsical, and perfect for spring or lucky-themed designs.
Coastal western vector illustration line art featuring octopus in cowboy hat. Modern nautical wall art.
Person holding a love heart balloon cheerful expression. Celebration and happiness concept vector illustration.
vector illustration of a bright cartoon goldfish
Funny love-themed doodle stickers with hearts, gifts and sweet treats for Valentine's Day
This whimsical illustration features a charming raccoon holding a lemon with the humorous quote: "In the interest of full transparency, it was not easy peasy lemon squeezy." Perfect for quirky designs
Minimalist design of round black glasses paired with a red clown nose, highlighting humorous and playful themes.
A lighthearted cartoon shows a farmer lying beneath a cow, playfully drinking milk straight from the udder in a humorous farm themed illustration.
Bright characters in the form of repair tools, on a blue background, demonstrating funny poses and funny facial expressions.
Fairytale Characters and Elements for Kids. Princesses, Unicorns, Fairies, Castles, Dragons, Flowers, and Hearts. Magical Composition Isolated on Light Background. Flat Vector Illustration
Hand drawn simplistic illustration ice cream poster. Flat vector illustration. Perfect background for posters, cover art, flyer, banner.
Sponsored results by Shutterstock Logo
Get 15% off with code: VEXELS15
Illustration of a man with magnifying glass

Sorry, we couldn't find any matches for "lighthearted theme" .

Find the Best Designs for You

Hottest Designs New Merch Designs Browse by Categories

Find the best designs for you

of 2