In the forefront of the birthday greetings card, there is a vibrant tiger with bold, exaggerated stripes in shades of deep orange and black. This tiger, in a humorous twist, is precariously balancing on a unicycle. The unicycle's wheel is a Mondrian-inspired geometric pattern, with primary colors of red, blue, and yellow intersected by black lines. The tiger's paws are gripping the handlebars, one holding a frothy, oversized mug of beer that has hints of Rothko-esque color blocks in amber and golden hues, with playful, abstract foam splashes akin to Pollock's signature drips.

To the right of the tiger, there’s an exuberant, surrealist birthday cake, inspired by Miró, with layers that swirl and twist in unexpected ways. The cake's frosting is a kaleidoscope of colors, featuring small, whimsical doodles and abstract shapes in the style of Twombly. Atop the cake, instead of conventional candles, there are miniature abstract sculptures that evoke the bold, primary shapes of Malevich’s suprematism, each one emitting tiny, star-like sparks.

Behind this lively scene, the backdrop is a de Kooning-inspired abstract landscape with large, sweeping brushstrokes in vibrant colors. Amidst the brushstrokes, the words "Happy Birthday" are spelled out in a bold, playful red, reminiscent of Kandinsky's dynamic compositions, seamlessly woven into the background. These words are integrated with the abstract forms, making them part of the scene rather than separate text, adding to the quirky, whimsical feel.

The entire composition is framed by delicate lines and grids that echo Agnes Martin's minimalist touch, providing a subtle structure to the chaos without detracting from the scene’s energy. The card bursts with color and life, capturing the playful absurdity and joyous celebration of a birthday, in a uniquely abstract, yet coherent story.

Generated with these themes: Tiger drinking a beer on a unicycle next to a birthday cake and it says 'happy birthday' in the background in red.

Made with ❤️ by AI.