<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
A cute mouse holding cheese, tied to a golden balloon. Bright colors and playful composition enhance the whimsical style
Whimsical Monkeys: Funny Monkey Faces Vector Illustration Set
This pattern has cute white bunnies with purple carrots scattered on a teal background, creating a playful, whimsical, and fun design perfect for kids or Easter themes.
A playful vector pattern featuring watches, hammers, and mustaches, ideal for a quirky design or fabric print.
Hand drawn seamless sunny pattern with yellow happy faces. A fun and lighthearted background perfect for nursery rooms, stationery, wallpapers, and childrens summer themes
A whimsical fairy illustration with blue wings, wearing a green dress. Vibrant colors and playful expression enhance the magical theme
illustration of a cheerful, vibrant-colored Parrot, perfect for a children's theme
Cute aquatic animal pattern with dolphins, whales, fish, and squids in teal and white.
Colorful turquoise balloons with flowing strings create a festive background pattern
Playful ginger tabby cat finds itself adorably entangled in yarn, its paws wrapped around a ball of gray thread, creating a whimsical and charming scene
illustration of a cheerful, vibrant-colored duck, perfect for a children's theme
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
Creative illustration of a cartoon snake symbolizing the number three. Snake symbol of the year. Vector hand drawn bold illustration
Graffiti tag “Chill Out” street art urban for Ice Cream Day, cool playful mural with sweet summer vibes.
illustration of a cheerful, vibrant-colored Crocodile, 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.
Discover the hilarious and absurd world of zombie survival in this lighthearted comedy. Find out why you're perfectly safe from the undead menace and laugh along as these brain-hungry creatures stumbl
A cheerful cartoon man with raised arms, expressing joy and celebration. Perfect for themes of happiness and positivity
Fluffy clouds and stylized raindrops on a vibrant blue background. A fun and cheerful weather-themed seamless pattern for kids’ fabric and decor.
Funny love-themed doodle stickers with hearts, gifts and sweet treats for Valentine's Day
Illustration of cute cartoon tombstone characters with sad expressions isolated on white background, perfect for illustrating themes of grief, loss, or remembrance in a lighthearted manner
A playful cartoon character making a silly face and gesture, perfect for fun and lighthearted themes
Colorful decorative bunting creates a festive atmosphere for celebrations and events
Set of cute spring-themed insect and flower illustrations shown in both outline and colored versions, perfect for children's designs.
Playful ghost character peeking from behind a gravestone with RIP inscription, adding a lighthearted touch to Halloween celebrations
A charming digital illustration featuring an adorable bunny, a cheerful chick, and a fluffy lamb on a light blue background. Perfect for Easter-themed designs, greeting cards, and children's projects.
2D Space Man Cartoon with moon ballon in lovely funny style.
Smiling butterfly with teal and pink patterned wings, perfect for spring decor, whimsical illustrations, or lighthearted insect-themed children’s designs.
Fun and playful Halloween balloons featuring pumpkin, ghost, skull, and Frankenstein designs.
A lighthearted and whimsical illustration of a female heart character holding a playful accessory. A charming design with a subtle hint of grown-up flair.
Seamless pattern with adorable Cartoon Cat Collection With Fun Summer and Adventure Themes
illustration of a cheerful, vibrant-colored Kangaroo, perfect for a children's theme
Seamless Pattern of Princesses with Crowns, Birds, Stars, Hearts, and Leaves. Playful and Whimsical Design in Red and Pink Tones. Composition for Kids and Fantasy Themes. Flat Vector Illustration.
The cartoon crab displays a range of funny facial expressions, from puzzled to delighted, captivating with its playful antics against a clean white background.
Charming fairy illustration with vibrant colors, featuring blue wings and a green dress. Playful pose and joyful expression enhance the magical theme
Most Likely To Get Their Tinsel In A Tangle
Design a group of super cute cartoon ghosts to go with Halloween.
illustration of a cheerful, vibrant-colored goat, perfect for a children's theme
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.
illustration of a cheerful, vibrant-colored shark, perfect for a children's theme
Seamless vector pattern featuring charming grey rocking horses, festive red bows, and delicate light-blue snowflakes on a white background, ideal for Christmas-themed designs.
illustration of a cheerful, vibrant-colored deer, perfect for a children's theme
Funny love-themed doodle stickers with hearts, gifts and sweet treats for Valentine's Day
Sweet cat character adorned with angel wings and a halo, embodying purity and cuteness in a charming cartoon style
illustration of a cheerful, vibrant-colored rabbit, perfect for a children or kid theme
A seamless vector pattern featuring cartoon-style hammers and mustaches on a white background. The hammers are brown with a wooden handle, and the mustaches are black with a curly design.
Unique black balloons in various shapes for decoration or celebration
Black and white party hat design with stars for celebrations and festive occasions
Playful seamless pattern of firecrackers, ideal for fabric and paper printing. This vibrant design brings a festive spirit to any project, perfect for celebrations, crafts, and holiday decorations."
Cloud with stars on a thread. On a white background
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