Synonyms for Blanched (same or very similar meaning)
WordNet sense 1 ((especially of plants) developed without chlorophyll by being deprived of light):
etiolate, etiolatedWordNet sense 2 (anemic looking from illness or emotion):
ashen, bloodless, livid, whiteWordNet sense 3 (weak in color; not colorful):
colorless, colourlessFrom the ODE community, based on WordNetadd/edit