Yellow roses are an expression of exuberance. Yellow roses evoke sunny feelings of joy, warmth and welcome. They are symbols of friendship and caring. The yellow rose, like the other roses, does not carry an undertone of romance. It indicates purely platonic emotions.Colors range from light yellow to golden. When it comes to sending a joyful message, yellow roses are your best friend. In fact, yellow roses are a traditional symbol of friendship, so there you go. With their warm, sunny disposition, a bouquet of yellow roses tends to light up the room, making them a perfect way to say thanks, get well, congratulations or just, Hey, thanks for being you.