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
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
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
Charming fairy with a green leaf dress and bun hairstyle. Vibrant colors and whimsical style enhance the magical theme
Charming fairy illustration with vibrant colors, featuring blue wings and a green dress. Playful pose and joyful expression enhance the magical theme
Seamless Cute Sleeping Cats and Moons Pattern for Cozy Pajamas, Pet-Themed Prints, or Relaxing Nighttime Designs
re you looking for a description of a specific T-shirt design, or do you want help crafting one? Based on your recent work, you’ve been refining summer-themed designs with nostalgic and adventure-dri
Charming fairy illustration with a green dress, blonde hair, and a blue bow. Bright colors and whimsical style enhance the magical theme
Moon-shaped balloon floating against a minimal background
Charming Dragon Illustration for Fantasy Themes
Vector illustration of a fairy with a green leaf dress, brown hair, and playful pose. Bright colors and whimsical style
A collection of vibrant speech bubbles in various colors and shapes, alongside crayons and a playful balloon. Perfect for artistic projects and communication themes, fostering creativity and fun.
Cute orange cat practicing mindfulness, surrounded by positive emotions, perfect vector for mental health and self-care themes
Illustration of a cowboy boot with playful elements like berries, accompanied by the text Yee Haw. Perfect for Western-themed designs or lighthearted art projects
Cartoon Girl in Bikini Standing on Tropical Beach with Palm Tree
Colorful cartoon birds with cute leaves in a playful pattern on a white background
Adorable puppy with a red scarf holds a blue number four balloon. Bright, playful vector illustration with a cheerful theme
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.
Pink stripes decorated with small flowers and butterflies
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 striped sphere is shown in a cartoon drawing style. The playful round object is perfect for summer activities and coastal themes. Cartoon vector illustration
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.
Colorful vector illustration of a cheerful fairy in a purple dress, showcasing playful movement and whimsical style
This pattern has a light blue background scattered with teal and white paw prints. It’s playful, cute, and perfect for pet lovers or kids’ designs.
A refreshing tropical drink in a jar with a small umbrella, perfect for summer vibes.
Need Space Astronaut Sticker Design Featuring a Cute Cartoon Space Explorer in a Playful Style Perfect for Outer Space Lovers and Science Fiction Enthusiasts
Romantic heart pattern with soft pink and tiny dots
A cartoon knight holds a chicken drumstick, facing an angry bear. Bold colors and exaggerated expressions enhance the humor
Join us for a spooktacular evening at our Halloween party! Featuring colorful and playful monsters, this event promises fun and festive activities for all ages. Don’t miss out on the eerie excitement
Most Likely To Get Their Tinsel In A Tangle
A watercolor vector background of ethereal blue clouds with heart-shaped accents. Delicate shades of azure and cerulean sense of magic and wonder. Dreamy illustration
Set of cute spring-themed insect and flower illustrations shown in both outline and colored versions, perfect for children's designs.
A repeating vector pattern featuring cowboy hats, sheriff stars, and rope coils on a white background. The design has a playful, western theme, ideal for textiles or children's decor.
Sweet illustration of a white puppy with pink ears sitting on a pastel mint green background. Perfect for lighthearted and joyful design themes.
Clever cat character wearing a detective hat and a cloak, holding a magnifying glass with a playful and mysterious flair
Fun and playful Halloween balloons featuring pumpkin, ghost, skull, and Frankenstein designs.
Seamless Easter-themed pattern featuring playful bunnies with eggs, colorful rainbows, carrots, and baskets of eggs on a light gray background. Perfect for seasonal designs.
Blue balloons floating above the word baby for a celebration
A Cute cloud with smiling face and lightning bolt below, representing playful stormy theme
A Cute umbrella with smiling raindrops, perfect for rainy day theme
A Cute smiling cloud with raindrops, perfect for rainy day theme
Flat style illustration of a cute baby elephant standing with a cheerful expression, ideal for childrens books, educational materials, and animal-themed designs.
Cute Valentine's Day Heart-Shaped Candies with Messages
Cartoon Moon Character Playing Video Game with Controller – Cute and Whimsical Nighttime Illustration
ink heart with wings in a whimsical vector illustration, symbolizing love, affection, and romance. Ideal for Valentine's Day themes or romantic design elements.
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.
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 Chameleon, perfect for a children's theme
Vector illustration of a joyful fairy with blue wings and a green dress, highlighting whimsical and magical elements
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