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NORDIC LIGHT & COLOUR
105
ABSTRACT
The visual experience of indoor environment depends on
both colour and light. Usually these two concepts are studied
separately although they are tightly intertwined. Luminance
distribution in visual field is assumed to be crucial for percep-
tion of light level in space. Taking into consideration the fact
that colours of surfaces may also affect light level percep-
tion, an impact of low saturated interior colors on light level
perception was examined. The luminance-based approach as a
perception-oriented method for lighting design was a comple-
mentary part of the study.
Findings showed that even low saturated colours influence light
level perception although magnitude can vary. From an archi-
tectural perspective it is important to note that the brightness
of the visual environment is a perceptual phenomenon and not
just a direct mapping of a light stimuli or linear function of the
luminance. Nevertheless, luminance, as a basis for vision, can
greatly develop lighting design methods as an applicable and
effective tool.
LIGHT LEVEL PERCEPTION IN INTERIORS WITH
EQUILUMINANT COLOURS
Veronika Zaikina