Lightness and Brightness and Other Confusions

– system 9–10, 13, 22, 29, 49, 51–
52, 63, 72, 80–83, 85, 88–89,
94–96
– temperature 63, 93 fn
coloured shadows 7–8, 10
Colour Rendering Index (CRI) 62
colourfulness 84, 89, 90
complementary colour 80, 83 fn, 85
Comte, Auguste 17
cone (receptor) 12, 82, 89
constancy 36
– of colour 42, 92–93, 95
– of lightness 73–76
constancy colour 24, 25, 50, 98–100
contrast 36, 51, 54 fn, 72, 92, 103
contrast colour 8
conventional light concepts 47
D
daylight 8–14, 36, 72, 93, 103
daylight illuminant (D65) 61
Degas, Edgar 11
delta E ( E) 60
Descartes, René 10–11, 21
dominant wavelength 60, 91
E
ecological theory of perception 22,
30, 26, 103
electromagnetic
– radiation energy 18, 28, 38, 53, 65
– spectrum 54
elementary colour, hue 49, 51–52,
69, 71, 77, 80–84, 88, 96
Evans, Ralph 11, 12 fn, 100 fn
excitation purity 89, 91
F
fluorent colour 51
fluorescence 56
formula colour 57
fovea 39–40
Fridell Anter, Karin 24, 30, 49, 50,
51 fn, 63 fn, 64, 88, 95–97, 102,
103
G
Galilei, Galileo 10–11, 19
Ganzfeld 95 fn
Gauguin, Paul 42
Gibson, James J. 22–23, 30, 103-
104 passim
glare 48
Goldstein, Bruce E. 38–39, 41
Grassmann, Hermann 83 passim
Grassmann’s laws 83
Gregory, Richard 39–40
H
Hardin, C. L. 18, 102
Heidegger, Martin 20–21
Helmholtz, Hermann von 82, 88,
92, 98, 99 fn
Hering, Ewald 24 fn, 79, 80, 82, 92,
99 fn
HSB, HSL, HSV 77, 91
Hubel, David 77, 79, 84
hue 9–13, 49, 51, 52, 54, 68, 69, 71,
76, 77, 80–82, 84, 85
hue angle 87, 88, 89, 91
Husserl, Edmund 20–21
Hård, Anders 27 fn, 38, 49, 50 fn,
52 fn, 63, 88, 96–97, 98
I
identity colour 49, 68, 74 fn, 97–98,
100
illuminance 59, 60, 70, 73–76, 92
inherent colour 50 fn, 68, 96–98
intentionality 42, 95, 100
intensity
– of colour (see: colour intensity)
– of light 5, 24, 54, 70–71, 75, 92
– radiant energy, radiation 23, 58
inverted spectrum 11, 14
Invisible Gorilla 40
‘invisible light’ 54
Itten, Johannes 78–79, 80 fn, 81 fn,
82
106