Synonyms for Half-light:

n.

glare, twinkle, radiance, sparkle, flicker, gleam, light, glitter, flash, dazzle. dimness (noun)
fogginess, murkiness, shadow, twilight, haziness, dimness, indistinctness, bleariness, Filminess, faintness, vagueness, cloudiness.
twilight (noun)
dimness.

Other synonyms:

Other relevant words:
glare, twinkle, radiance, sparkle, flicker, gleam, light, glitter, flash, dazzle.