of a half slice watermelon with a bold splash effect

text signage presentation poster plant organ number logo line label food font diagram circle cartoon brand banner advertising watermelon fruit splash design typography logo digital art summer juicy red green vibrant vector poster branding fresh aesthetic abstract modern lettering food artwork creative brushstroke concept advertising background bold funky marketing minimal refreshing artistic explosion print hand-drawn trendy graphic stylish food-themed delicious juicy watermelon slice typography bold colors summer vibes energetic fun eye-catching