diff --git a/_posts/julia/heatmap/2015-04-09-YIGnBu-heatmap.html b/_posts/julia/heatmap/2015-04-09-YIGnBu-heatmap.html
index b5b66eadd..6cf6eb097 100755
--- a/_posts/julia/heatmap/2015-04-09-YIGnBu-heatmap.html
+++ b/_posts/julia/heatmap/2015-04-09-YIGnBu-heatmap.html
@@ -1,5 +1,5 @@
 ---
-name: YIGnBu Colorscale
+name: YlGnBu Colorscale
 plot_url: https://plotly.com/~PlotBot/61
 arrangement: horizontal
 language: julia
@@ -16,10 +16,10 @@
 data = [
   [
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51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100],
-    "colorscale" => "YIGnBu",
+    "colorscale" => "YlGnBu",
     "type" => "heatmap"
   ]
 ]
-layout = ["title" => "YIGnBu"]
-response = Plotly.plot(data, ["layout" => layout, "filename" => "YIGnBu-heatmap", "fileopt" => "overwrite"])
+layout = ["title" => "YlGnBu"]
+response = Plotly.plot(data, ["layout" => layout, "filename" => "YlGnBu-heatmap", "fileopt" => "overwrite"])
 plot_url = response["url"]
diff --git a/_posts/julia/heatmap/2015-04-09-YIOrRd-heatmap.html b/_posts/julia/heatmap/2015-04-09-YIOrRd-heatmap.html
index c1158b558..fc3cbb649 100755
--- a/_posts/julia/heatmap/2015-04-09-YIOrRd-heatmap.html
+++ b/_posts/julia/heatmap/2015-04-09-YIOrRd-heatmap.html
@@ -1,5 +1,5 @@
 ---
-name: YIOrRd Heatmap
+name: YlOrRd Heatmap
 plot_url: https://plotly.com/~PlotBot/65
 arrangement: horizontal
 language: julia
@@ -16,10 +16,10 @@
 data = [
   [
     "z" => [2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51; 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52; 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53; 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54; 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55; 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56; 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57; 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-    "colorscale" => "YIOrRd",
+    "colorscale" => "YlOrRd",
     "type" => "heatmap"
   ]
 ]
-layout = ["title" => "YIOrRd"]
-response = Plotly.plot(data, ["layout" => layout, "filename" => "YIOrRd-heatmap", "fileopt" => "overwrite"])
+layout = ["title" => "YlOrRd"]
+response = Plotly.plot(data, ["layout" => layout, "filename" => "YlOrRd-heatmap", "fileopt" => "overwrite"])
 plot_url = response["url"]
diff --git a/_posts/nodejs/heatmap/2015-04-09-YIGnBu-heatmap.html b/_posts/nodejs/heatmap/2015-04-09-YIGnBu-heatmap.html
index 532190957..248ba62f1 100755
--- a/_posts/nodejs/heatmap/2015-04-09-YIGnBu-heatmap.html
+++ b/_posts/nodejs/heatmap/2015-04-09-YIGnBu-heatmap.html
@@ -1,5 +1,5 @@
 ---
-name: YIGnBu Colorscale
+name: YlGnBu Colorscale
 plot_url: https://plotly.com/~PlotBot/61
 arrangement: horizontal
 language: nodejs
@@ -15,12 +15,12 @@
 var data = [
   {
     z: [[2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51], [3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52], [4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53], [5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54], [6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55], [7, 8, 9, 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-    colorscale: "YIGnBu",
+    colorscale: "YlGnBu",
     type: "heatmap"
   }
 ];
-var layout = {title: "YIGnBu"};
-var graphOptions = {layout: layout, filename: "YIGnBu-heatmap", fileopt: "overwrite"};
+var layout = {title: "YlGnBu"};
+var graphOptions = {layout: layout, filename: "YlGnBu-heatmap", fileopt: "overwrite"};
 plotly.plot(data, graphOptions, function (err, msg) {
     console.log(msg);
 });
diff --git a/_posts/nodejs/heatmap/2015-04-09-YIOrRd-heatmap.html b/_posts/nodejs/heatmap/2015-04-09-YIOrRd-heatmap.html
index d92a05a5a..9bbcc265d 100755
--- a/_posts/nodejs/heatmap/2015-04-09-YIOrRd-heatmap.html
+++ b/_posts/nodejs/heatmap/2015-04-09-YIOrRd-heatmap.html
@@ -1,5 +1,5 @@
 ---
-name: YIOrRd Heatmap
+name: YlOrRd Heatmap
 plot_url: https://plotly.com/~PlotBot/65
 arrangement: horizontal
 language: nodejs
@@ -15,12 +15,12 @@
 var data = [
   {
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69, 70, 71, 72, 73, 74, 75], [27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76], [28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77], [29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78], [30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79], [31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80], [32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81], [33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82], [34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83], [35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84], [36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85], [37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86], [38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87], [39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88], [40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89], [41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90], [42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91], [43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92], [44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93], [45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94], [46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95], [47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96], [48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97], [49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98], [50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99], [51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100]],
-    colorscale: "YIOrRd",
+    colorscale: "YlOrRd",
     type: "heatmap"
   }
 ];
-var layout = {title: "YIOrRd"};
-var graphOptions = {layout: layout, filename: "YIOrRd-heatmap", fileopt: "overwrite"};
+var layout = {title: "YlOrRd"};
+var graphOptions = {layout: layout, filename: "YlOrRd-heatmap", fileopt: "overwrite"};
 plotly.plot(data, graphOptions, function (err, msg) {
     console.log(msg);
 });
diff --git a/_posts/plotly_js/fundamentals/colorscales/2015-04-09-YIGnBu-heatmap.html b/_posts/plotly_js/fundamentals/colorscales/2015-04-09-YIGnBu-heatmap.html
index 1c6bcb37e..43a9ec80b 100644
--- a/_posts/plotly_js/fundamentals/colorscales/2015-04-09-YIGnBu-heatmap.html
+++ b/_posts/plotly_js/fundamentals/colorscales/2015-04-09-YIGnBu-heatmap.html
@@ -1,5 +1,5 @@
 ---
-name: YIGnBu Colorscale
+name: YlGnBu Colorscale
 language: plotly_js
 suite: colorscales
 order: 16
@@ -9,10 +9,10 @@
 Plotly.d3.json('https://raw.githubusercontent.com/plotly/datasets/master/custom_heatmap_colorscale.json', function(figure) {
 var data = [{
     z: figure.z,
-    colorscale: 'YIGnBu',
+    colorscale: 'YlGnBu',
     type: 'heatmap'
   }
 ];
-var layout = {title: 'YIGnBu'};
+var layout = {title: 'YlGnBu'};
 Plotly.newPlot('myDiv', data, layout);
 });
\ No newline at end of file
diff --git a/_posts/plotly_js/fundamentals/colorscales/2015-04-09-YIOrRd-heatmap.html b/_posts/plotly_js/fundamentals/colorscales/2015-04-09-YIOrRd-heatmap.html
index 30507a47a..a6755f184 100644
--- a/_posts/plotly_js/fundamentals/colorscales/2015-04-09-YIOrRd-heatmap.html
+++ b/_posts/plotly_js/fundamentals/colorscales/2015-04-09-YIOrRd-heatmap.html
@@ -1,5 +1,5 @@
 ---
-name: YIOrRd Heatmap
+name: YlOrRd Heatmap
 language: plotly_js
 suite: colorscales
 order: 16
@@ -10,10 +10,10 @@
 Plotly.d3.json('https://raw.githubusercontent.com/plotly/datasets/master/custom_heatmap_colorscale.json', function(figure) {
 var data = [{
   z: figure.z,
-    colorscale: 'YIOrRd',
+    colorscale: 'YlOrRd',
     type: 'heatmap'
   }
 ];
-var layout = {title: 'YIOrRd'};
+var layout = {title: 'YlOrRd'};
 Plotly.newPlot('myDiv', data, layout);
 });
\ No newline at end of file