The "Trendy Blue Heart Birthday Card" is a charming design that mixes modern elements with emotional meaning, symbolizing the happiness and love one feels celebrating a birthday with someone special.

Color Scheme

Blue and White: The blue and white color scheme creates a calm, contemporary look.  Blue represents trust, loyalty, and wisdom; all things strong love deserves on a birthday card.  

Shades of Blue: The different shades of blue add interest to the design.  The light blue of the sky creates a soft differentiation from the darker blue of the hearts.

White Cloud, White Heart:  The white clouds and hearts allow for good contrast against the blue and expresses purity and innocence.  Lastly, the white helped give the design a dreamy feeling.

Graphical Elements

Heart-shaped Frame: The heart-shaped frame is a universal symbol of love and affection.   It draws the reader's attention to the central image while enhancing the romantic theme of the card.  

Central Portrait: Having a portrait of the person in the centre personalizes the card, providing a unique tribute for the birthday person.   The person's pose and facial expression lend to the card's happy and affectionate feeling.  

Text elements:

"Happy Birthday": The prominent white text stands out against the blue background, clearly stating the occasion.   It is at the top of the card and will clearly be seen as the first thing the reader sees.  

"Love You - Beautiful You": These words provide personalization and intimacy, suggesting love and admiration.   The dashed separation suggests a distinction between the phrases.  

"A Beautiful Day for a Beautiful You": This phrase cementing the idea of beauty and celebration at the very bottom of the card is a suitable wrap up of the card's many messages.