Please take a photo of the top and bottom of the pads, it will give us more clues.
With Siam in the name, that could have been Star of Siam, it's a very light blue. King of Siam is a dark purple with several smaller petals in the middle, like a mum. There technically are very few 'blue' or 'red' tropicals. Most are either purple or pink. If it is Tina, she's a really good tropical!