daenney · March 20, 2022 00:54 · Apr 22, 2019 · Apr 22, 2019 · Apr 22, 2019 · Apr 22, 2019
diff --git a/README.md b/README.md
@@ -10,7 +10,7 @@ Though the bulbs can display a fairly deep red and a very blue blue, their
 reach on the green side is atrocious. It's barely green. If you plot it
 over a CIE xy plane you get this:
 
-![CIE xy plane with IKEA gamut](CIExyIKEA.png)
+![CIE xy plane with IKEA gamut](https://gist.githubusercontent.com/daenney/38aa95ef20bc9fd4e9cafad032e50990/raw/c5ff2e014bf0349683263e56776a4e8ddcfacc4e/CIExyIKEA.png)
 
 You have to hit just the right coordinates to get a deep blue or red but
 most things along the blue-green spectrum fall out of reach. Red-blue is

diff --git a/CIExyIKEA.png b/CIExyIKEA.png
diff --git a/README.md b/README.md
@@ -1,12 +1,23 @@
 # Ikea TRADFRI bulb E27 CWS opal 600lm gamut
 
-These measurements were done with a colorimeter, not a spectrophotometer, so they're not a 100% correct
-but still a lot better than nothing.
+These measurements were done with a colorimeter, not a spectrophotometer, so
+they're not a 100% correct but still a lot better than nothing.
 
-Each measurement was done 10 times, then averaged, with the bulb at max brightness.
+Each measurement was done 10 times, then averaged, with the bulb at max
+brightness.
 
-The bulbs do pretty well with red, really well on blue and quite terrible on green staying very
-much on the yellow side.
+Though the bulbs can display a fairly deep red and a very blue blue, their
+reach on the green side is atrocious. It's barely green. If you plot it
+over a CIE xy plane you get this:
+
+![CIE xy plane with IKEA gamut](CIExyIKEA.png)
+
+You have to hit just the right coordinates to get a deep blue or red but
+most things along the blue-green spectrum fall out of reach. Red-blue is
+a better story but still far from ideal.
+
+It's essentially equivalent to Philips Hue Gamut B, but slightly better
+on the blue side of things. Probably not enough for anyone to notice though.
 
 ## Red
 

diff --git a/README.md b/README.md
@@ -3,7 +3,7 @@
 These measurements were done with a colorimeter, not a spectrophotometer, so they're not a 100% correct
 but still a lot better than nothing.
 
-Each measurement was done 10 times, then averaged.
+Each measurement was done 10 times, then averaged, with the bulb at max brightness.
 
 The bulbs do pretty well with red, really well on blue and quite terrible on green staying very
 much on the yellow side.

diff --git a/README.md b/README.md
@@ -0,0 +1,54 @@
+# Ikea TRADFRI bulb E27 CWS opal 600lm gamut
+
+These measurements were done with a colorimeter, not a spectrophotometer, so they're not a 100% correct
+but still a lot better than nothing.
+
+Each measurement was done 10 times, then averaged.
+
+The bulbs do pretty well with red, really well on blue and quite terrible on green staying very
+much on the yellow side.
+
+## Red
+
+x | y
+--- | ---
+0.681343 | 0.318148
+0.681289 | 0.318173
+0.681227 | 0.318163
+0.681218 | 0.318183
+0.681193 | 0.318139
+0.681132 | 0.31815
+0.681204 | 0.318191
+0.681257 | 0.318215
+0.681264 | 0.318259
+0.68123  | 0.318239
+
+## Green
+
+x | y
+--- | ---
+0.391793 | 0.524898
+0.391838 | 0.524971
+0.391881 | 0.52501
+0.391909 | 0.525049
+0.391892 | 0.525031
+0.391926 | 0.525017
+0.39191  | 0.525023
+0.391942 | 0.525081
+0.391947 | 0.525115
+0.391947 | 0.525139
+
+## Blue
+
+x | y
+--- | ---
+0.150251 | 0.027088
+0.150246 | 0.027103
+0.150243 | 0.02711
+0.150242 | 0.027115
+0.150243 | 0.027114
+0.15024  | 0.027122
+0.150239 | 0.027123
+0.150237 | 0.027129
+0.150237 | 0.027131
+0.150237 | 0.027125
diff --git a/gamut.json b/gamut.json
@@ -0,0 +1,5 @@
+{
+  "r": [0.6812357, 0.318186],
+  "g": [0.3918985, 0.5250334],
+  "b": [0.1502415, 0.027116],
+}
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