小: The original meaning: fine, subtle. In contrast to "large."
橙: The orange tree and its fruit, the orange. The character "橙" (chéng) embodies elegance and intelligence, gentleness and virtue. It signifies auspiciousness in middle age, prosperity in later years, and conveys a sense of tranquility and peace.
Meaning: Little Orange symbolizes cuteness, vitality, and warmth, as sweet and refreshing as an orange.