Here are some colors and their meaning, check them out!
RED SINGLE ROSE
It means a pure "I Love You", but if it is only one.
RED ROSES (a bunch)
Love of course, Beauty, Courage and Respect. It is the symbol of Romantic Love. You will want to show Sincere Love, Respect and Passion if you give these away
DARK RED ROSE
If you receive some of these, it means you have an "unconscious beauty".
Purity, Innocence, Silence, Secrecy, Reverence, Humility, Youthfulness. You are sending to the other person almost a Heavenly message.
Pink shows Appreciation and Admiration, it is used to say "Thank you", "Please Believe Me". Can also symbolize Grace, Perfect Happiness and Gentleness.
Again Appreciation and Gratitude although these are used also for celebrations and special occasions.
Joy, Gladness, Friendship, Delight, Promise of a new beginning, Welcome Back, Remember Me, Jealousy, "I care”. So as you can see, love is not included here.
Desire and Enthusiasm are expressed in orange roses. The distinctive color also makes them very original, and they are usually considered as happy flowers.
The unattainable, the impossible.
Watch it, this is a tainted rose, not at all organic!
Some people use blue roses to demonstrate their originality and sometimes even their disposition to spend lots of money in one rose.