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
A Cute and spooky western Halloween illustrations featuring smiling pumpkin, playful jack o lantern, and ghostly wagon
Cute cartoon butterfly with colorful wings and cheerful smile isolated on transparent background. Perfect for kids designs, educational materials, and playful themes. Vector illustration.
A playful kitten engrossed in reading, ideal for children's book illustrations or educational content.
Seamless Pattern Featuring Colorful Rainbows, Clouds, Falling Hearts. Playful and Whimsical Design on Purple Background. Decorative Composition for Kids and Fantasy Themes. Flat Vector Illustration.
Seamless Pattern Featuring Fairies with Crowns and Wands, Castles, Stars, Hearts, Swords, and Cherries. Whimsical Design in Pink and Red Tones for Kids and Fantasy Themes. Flat Vector Illustration.
Cute cartoon illustration of characters holding red hearts, symbolizing love and connection. Minimalist style with black outlines and red accents adds charm. Valentines theme
Funny love-themed doodle stickers with hearts, gifts and sweet treats for Valentine's Day
Funny love-themed doodle stickers with hearts, gifts and sweet treats for Valentine's Day
Funny love-themed doodle stickers with hearts, gifts and sweet treats for Valentine's Day
Funny love-themed doodle stickers with hearts, gifts and sweet treats for Valentine's Day
Funny love-themed doodle stickers with hearts, gifts and sweet treats for Valentine's Day
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.
Funny love-themed doodle stickers with hearts, gifts and sweet treats for Valentine's Day
Seamless Pink Cloud Border Design Minimalistic Abstract Pastel Sky Background for Creative Templates or Dreamy Themes
Funny love-themed doodle stickers with hearts, gifts and sweet treats for Valentine's Day
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
Minimalist design of round black glasses paired with a red clown nose, highlighting humorous and playful themes.
Funny love-themed doodle stickers with hearts, gifts and sweet treats for Valentine's Day
Funny love-themed doodle stickers with hearts, gifts and sweet treats for Valentine's Day
Funny love-themed doodle stickers with hearts, gifts and sweet treats for Valentine's Day
Flat Vector Illustration of Seamless Pattern Featuring Red Dragons with Spiked Backs and Long Tails. Stars Scattered Across Light Background. Repeating Decorative Design for Kids and Fantasy Themes.
Funny love-themed doodle stickers with hearts, gifts and sweet treats for Valentine's Day
Minimalist illustration of a black, curled mustache with a whimsical design, ideal for humor or April Fools themes.
Funny love-themed doodle stickers with hearts, gifts and sweet treats for Valentine's Day
Funny love-themed doodle stickers with hearts, gifts and sweet treats for Valentine's Day
Funny love-themed doodle stickers with hearts, gifts and sweet treats for Valentine's Day
Cute cartoon illustration of a funny girl walking under a big umbrella, perfect for playful designs, greeting cards, and cheerful weather-themed artwork.
Illustration of four colorful outlined heart shapes arranged around the word LOVE in bold letters. Modern romantic design on a white background for Valentine's Day or love-themed projects.
Funny love-themed doodle stickers with hearts, gifts and sweet treats for Valentine's Day
Red Glasses Illustration Design perfect for playful or humorous themes and designs.
Vibrant illustration of a jester hat with red, green, and blue panels and yellow pom-poms, perfect for festive themes.
Bright characters in the form of repair tools, on a blue background, demonstrating funny poses and funny facial expressions.
Comical design featuring round glasses, a red clown nose, and a black mustache, ideal for April Fools or humorous themes.
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 Cowboy hats in various styles showcase creativity and fun, perfect for any adventurous spirit
Colorful Cartoon Bird Flying Happily Among Blue Clouds and Open Sky
A seamless weather-themed pattern featuring playful depictions of rainbows, suns, clouds, raindrops, and lightning. Hand drawn vector image.
Colorful pirate pattern with cartoon characters and treasure chests.
Cartoon pirate pattern with child characters on dark background.
A set of Halloween-themed stickers in doodle art style would feature fun, hand-drawn illustrations with playful, sketchy lines. The doodle style adds a fun and lighthearted feel, perfect for creating
Balloon shaped like a bunny adds charm to celebration decorations
Colorful balloons in a repeating pattern suitable for festive decorations or digital designs
A monkey and a giraffe in a playful cartoon style stand around a blank rectangular frame. The giraffe holds a flower while the monkey peeks from the side, creating a charming scene. Cartoon vector
A funny skeleton dances joyfully on a black background, demonstrating its playful charm with funny gestures.
Cute koala riding ufo cartoon
A cartoon hippo and monkey sit beside a heart-shaped frame holding a flower in line art style. The hippo and monkey are outlined simply, creating a playful and charming scene. Cartoon vector
a pattern of pink and blue balloons and a blue background
A cartoon-style cloud with a grey fill and a dark outline. Ideal for weather themes, children projects, educational materials, environmental illustrations, and digital design concepts. Minimalist
Cute bear illustration isolated on white designed for kids in simple style. Vector illustration
Fun love-themed stickers featuring hearts, gifts, and sweet treats
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