The front cover of this anniversary greeting card should feature a bold and vibrant abstract representation, seamlessly blending the structural elements of Mondrian with the fluid chaos of Pollock, accented by the surreal playfulness of Miró.

**Background:**

Begin with a layered base of softly overlapping rectangles in various shades of soft pastels – think pale blues, lavender, and muted peach, reminiscent of Rothko's color field paintings. Interspersed among these fields are slender black lines forming an underlying grid, a subtle nod to Mondrian’s precision and structure, creating a gentle geometric foundation.

**Central Elements:**

In the foreground, float abstract shapes reminiscent of Kandinsky’s dynamic compositions. Use circles, triangles, and irregular forms in bright, contrasting colors: vibrant red, sunny yellow, deep royal blue, and emerald green. Each shape should possess a slight translucency, allowing the soft hues of the background to filter through.

**Textural Details:**

Incorporate Pollock’s influence with intricate splashes and drips of metallic gold and silver, weaving through the scene, adding a dynamic layer of energy and movement across the card. The paint seems to dance around the geometric forms, introducing an element of surprise and spontaneity.

**Highlight Objects:**

Introduce two intertwined spirals, one in a deep crimson and the other in a rich indigo, gracefully intersecting at the center of the card. These spirals symbolize unity and should appear as if they are subtly floating, anchored by a de Kooning-inspired bold brushstroke of pure white underneath them.

**Surreal Elements:**

From Miró, incorporate whimsical stars and delicate, hand-drawn lines extending from the spirals. These elements should meander playfully across the card, creating a sense of motion and connection, with small dots of neon orange and bright pink peppering the landscape.

**Text:**

The words "Happy Wedding Anniversary" should be integrated seamlessly into the design, following the organic flow of the artwork. Use a clean, sans-serif typeface in pure white, set against the darker elements to ensure legibility, and let the text echo the movement of the abstract shapes, almost as if it were part of the artwork itself.

The final composition should balance abstraction with intention, inviting viewers to explore the scene and discover the joyous celebration of an anniversary within its vibrant and dynamic forms.

Generated with these themes: Happy Wedding Anniversary.

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