<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
Happy Cartoon Cats in a Cute Doodle Style , Cute hand drawn doodles ,Illustration Vector
Whimsical hand drawn line art of two decorative glasses are positioned closely, clinking together in celebration. Wedding decor for invitation card template. Vector outline illustration
illustration of a cheerful, vibrant-colored Bat, perfect for a children's theme
illustration of a cute, vibrant-colored Flamingo, perfect for a children's theme
A lighthearted cartoon shows a farmer lying beneath a cow, playfully drinking milk straight from the udder in a humorous farm themed illustration.
A lighthearted green leafy branch perfect for spring and summer nature-themed designs.
Vector illustration of a fairy in two styles: line art and vibrant color. Features detailed wings and playful expression
Adorable sloth illustration lying down with a cheerful smile, ideal for childrens designs, animal-themed prints, or playful art projects.
Back to School Cards with Funny Skeleton Student Character
illustration of a cheerful, vibrant-colored hippo, perfect for a children's theme
Vector illustration of a fairy with blue wings, blonde hair, and green attire. Bright colors and playful expression enhance the whimsical theme
Funny love-themed doodle stickers with hearts, gifts and sweet treats for Valentine's Day
Bright and cheerful illustration of yellow flowers, creatively arranged with decorative tape. Perfect for designs, seasonal themes, crafting projects, or adding a touch of nature-inspired charm.
A playful cartoon boy eagerly eating worms, showcasing humor and adventure in a colorful vector style
A skeleton holding a frisbee is a playful and quirky illustration suitable for Halloween-themed designs, sports events graphics, or any fun, lighthearted projects.
Comical design featuring round glasses, a red clown nose, and a black mustache, ideal for April Fools or humorous themes.
Funny clowns and festive balloons, hand-drawn, doodle style
illustration of a cheerful, vibrant-colored cat, perfect for a children's theme
Vector illustration of a fairy with a green leaf dress, brown hair, and playful pose. Bright colors and whimsical style
illustration of a cute, vibrant-colored capybara, perfect for a children's theme
Halloween-themed vector illustration featuring a playful black cat sitting beside a carved pumpkin with two friendly spiders. Perfect for festive designs and Halloween decorations.
Pattern features scattered cream cupcakes with swirled tops on a rich chocolate brown background, creating a fun, sweet, and playful vibe perfect for dessert themes.
Cheerful blue clown cupcake character with a jester hat and red clown nose, celebrating April Fools Day in a playful design.
Delicate transparent balloons floating upwards, perfect for party themes, celebration designs, or whimsical event visuals. Ideal for invitations, decorations, or lighthearted branding.
Stylish Coffee T-Shirt: First, I Drink Coffee. Then, I Do the Things
illustration of a cheerful, vibrant-colored pony, perfect for a children's theme
illustration of a cheerful, vibrant-colored bear, perfect for a children's theme
Colorful balloons in a repeating pattern suitable for festive decorations or digital designs
watercolor vector illustration poster with funny quote when in doubt look intelligent
Seamless Cute Sleeping Cats and Moons Pattern for Cozy Pajamas, Pet-Themed Prints, or Relaxing Nighttime Designs
illustration of a vibrant-colored Giraffe, perfect for a children or kid theme
illustration of a cheerful, vibrant-colored sheep, perfect for a children's theme
illustration of a cheerful, vibrant-colored Hedgehog, perfect for a children's theme
Bright floral and egg pattern design for spring celebration or decoration
Seamless Cute Sleeping Cats and Moons Pattern for Cozy Pajamas, Pet-Themed Prints, or Relaxing Nighttime Designs
Seamless Cute Sleeping Cats and Moons Pattern for Cozy Pajamas, Pet-Themed Prints, or Relaxing Nighttime Designs
Cheerful children's design of a girl standing under an umbrella, perfect for playful illustrations, greeting cards, and seasonal designs.
Seamless Pattern Featuring Whimsical Suns with Faces. Vibrant Design in Pink and Purple Tones. Decorative Composition on Light Background for Fantasy or Playful Themes. Flat Vector Illustration.
Cute happy sea baby animals set, seal, dolphin, starfish, octopus, jellyfish, shrimp, seahorse, murena, whale, vector illustration
An adorable seamless pattern featuring cute baby hippos enjoying a dip in basin, accompanied by whole and sliced watermelons. The hippos are illustrated in a playful style.
Pixel fly balloons vector. Ideal for celebration designs, festive events, or childhood themes. These pixel art balloons float upwards, conveying a sense of joy and lightheartedness.
Colorful umbrellas and fluffy clouds with stylized raindrops. A fun weather-themed design with a vibrant blue background. Great for children’s fabric prints and rainy season decorations.
A seamless pattern showcases numerous playful monkey faces with distinct expressions arranged in a grid. This design can enhance various creative projects and themes.
Playful illustration of a sun with a friendly smile, radiating happiness and positivity. Ideal for designs focused on fun, joy, and cheerful themes. Perfect for children's materials
illustration of a cheerful, vibrant-colored chicken, perfect for a children's theme
A whimsical illustration of Santa Claus on horseback, blending Western cowboy elements with traditional Christmas themes. Perfect for festive holiday designs and greeting cards
Pixel balloon icon vector. Perfect for celebration themes, festive events, or cheerful designs. This pixel art graphic captures the lighthearted joy of a floating balloon.
Rounded orange abstract elements at corners with floating dots on white, playful and dynamic, fits youth-themed wrapping or wall sticker.
illustration of a cheerful, vibrant-colored Octopus, perfect for a children's theme
Colorful pirate pattern with cartoon characters and treasure chests.
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