Are my Ascocenda's buds blasting?

[turock]

I know I'll find out the answer to this in a day or two on my own, but I'm worried...

I bought this beautiful Ascocenda Fuchs Sunkist last month and was happy to find it was already in bud! I've been excited to see the flowers, but am a little worried that the buds have started to look yellow. Is this a natural coloration for this plant? I believe its flowers will be yellow or orange in color.

Earlier this year, some of my other vandas' buds blasted due to heat stress, and they turned yellowish in color before they kicked the bucket.

In the attached pictures you can see the buds and the place my plant is hanging.