55 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
uxurious spruce in a children's cartoon style"
Children's cartoon animals with nature elements"
Funny clowns and festive balloons, hand-drawn, doodle style
Cheerful balloons shaped like clowns and stars in a cartoon style. Festive balloons and clowns with hats in a children's cartoon vector illustration
Cheerful balloon with a smiling face in cartoon style, vector illustration
Funny snail for children's cartoon vector illustration
Playful seamless pattern featuring pink disco balls with yellow heart-shaped sunglasses and scattered hearts on a soft pink background
Colorful striped balloon in cartoon style, vector illustration
image captures the essence of fall with a playful twist. A variety of autumn leaves in warm shades of yellow, orange, green, and red overlap each other creating a rich tapestry of seasonal colors.
Set of funny animals and trees in children's cartoon style
Fun And Playful Cartoon Ghost Illustration Featuring A Smiling Specter Perfect For Halloween Decor And Festive Designs
Charming multicolored chicken for children's cartoon illustrations
The cartoon crab displays a range of funny facial expressions, from puzzled to delighted, captivating with its playful antics against a clean white background.
Cute snail in a children's cartoon style
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!
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!
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.
A cheerful cartoon illustration of a child sitting down, joyfully taking a big bite out of a large slice of pizza
Set of cute onions in kawaii style on a white background, perfect for fun illustrations, children's products, and playful designs.
Cute cartoon birds on a deep blue background in a playful pattern design
Flat Vector Illustration of Seamless Pattern with Fairytale Castles. Repeating Design Features Bright Pink and Red Towers with Flags and Arched Windows. Decorative Design Isolated on Light Background
A colorful cartoon-style vector illustration of a boat with a large, vibrant sail floating on calm waters, with a bright sky and fluffy clouds in the background.
Ghosts with Flowers on Orange Background
Set, summer theme, life saving water circles, hello summer, children's illustration, pastel colors, printable set, doodle style, simple style
Vector pattern on a summer theme, beach elements, print on fabric, paper, banner, funny style
Vector pattern on a summer theme, with the image of a bag, hat, glasses, flip flop, for printing on a banner, fabric, paper, funny style
A delightful seamless pattern featuring cheerful cartoon bananas on a vibrant blue backdrop, conveying a playful and lighthearted theme suitable for fun designs.
This image showcases a stylized blue monarch butterfly with abstract patterns. The minimalist design highlights intricate details and artistic flair, perfect for creative projects and nature
Vibrant pink skeleton illustration adorned with leaves and surrounded by abstract plants on a black background. Creative and whimsical design with a playful, artistic theme
Seamless pattern of smiling blue clouds, suitable for children's designs
Adorable farm animals and plants in a cartoon vector illustration
Cloud with stars on a thread. On a white background
Hand drawn simplistic illustration ice cream poster. Flat vector illustration. Perfect background for posters, cover art, flyer, banner.
Hand drawn simplistic illustration ice cream poster. Flat vector illustration. Perfect background for posters, cover art, flyer, banner.
Hand drawn simplistic illustration ice cream poster. Flat vector illustration. Perfect background for posters, cover art, flyer, banner.
Hand drawn simplistic illustration ice cream poster. Flat vector illustration. Perfect background for posters, cover art, flyer, banner.
Hand drawn simplistic illustration ice cream poster. Flat vector illustration. Perfect background for posters, cover art, flyer, banner.
Humorous Cartoon Cockroach Depicted In Different Comical Situations And Expressions. Vector Insect Themed Illustrations
Adorable and fun elephant illustration sticker. Vector illustration design.
Design a group of super cute cartoon ghosts to go with Halloween.
A cartoon character with four cans of beer. This asset is perfect for beer-related designs, brewery promotions, bar and pub advertisements, and alcohol-themed visual content.
A set of four stickers with palm trees and sun suitable for summer-themed designs, travel posters, tropical party invitations, and beach vacation promotions.
This vector presents a delightful black frog emoji, illustrated with a minimalist approach against a white backdrop.
Mr Eggs cute Sticker illustration
Cute Watermelon Cartoon Character Graphics
Person holding a love heart balloon cheerful expression. Celebration and happiness concept vector illustration.
Happy Cartoon Cats in a Cute Doodle Style , Cute hand drawn doodles ,Illustration Vector
Delight in the charming world of adorable animals with this cute hand-drawn seamless pattern. Featuring bears, rabbits, tigers, and dogs in a vibrant and playful flat style.
A hilarious cartoon illustration of an animal pun
Hand-drawn collection of vector spot art doodles with Christmas theme. Line drawing on one layer, color fills on another and shadow on bottom layer: easy to separate and recolor.
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