Orchid species that can handle more sunlight are Vanda, Brassavola nodosa ... and foliage will turn pale and wither. Orchid buds falling off can occur and the plant will not develop any new ...
While natural blue orchids do exist, such as the Blue Vanda and the Blue Lady orchid ... If it’s injected while the flowers are in their bud stage the blooms will be a lighter hue.