Watercolor简约水彩风蓝色黄色白色感谢卡片

illustration, minimalist style, blue and white palette with yellow and green accents, three cards, left card blue background with yellow flowers and green leaves on the left and "Thank you" text on the right, middle card blue watercolor background with "Thank you" text in the center and blue flowers and green leaves on the left, right card white background with blue watercolor spots on the right and "Thank you" text in the centerMinimalist Background, minimalist, clean background,