This design shows a watercolor-style tiered cake painted in soothing aqua, teal, and green shades, with each layer softly rippling like gentle waves. The color shifts from a pale, airy blue at the top to deeper teal and green near the bottom, giving the dessert a calm, cozy presence that feels like something shared between close friends. A slim green candle stands at the top with a small orange flame, adding a warm point of light that suggests someone nearby is watching it with a tender, quiet smile 🎂. The background stays creamy off-white, letting the cool colors and the candle’s glow stand out without feeling busy. Below the illustration, the words “HAPPY BIRTHDAY” sit centered near the bottom in dark teal, set in clear, all-capital lettering 🎉. The spacing leaves plenty of open room around the cake, like a little pause before making a wish together. The candle’s flame is painted as a tiny orange teardrop above the green wick on the pale background.