diff --git a/themes/dark/custom.css b/themes/dark/custom.css
index e4eaf8669..3ee7d293f 100644
--- a/themes/dark/custom.css
+++ b/themes/dark/custom.css
@@ -1,3 +1,11 @@
+h1, h2, h3, h4 {
+    color: rgb(220, 220, 220); /* We want the text to dark gray */
+}
 body {
-    color: rgb(200, 200, 200); /* We want the text to dim white */
+    color: rgb(180, 180, 180); /* We want the text to dark gray */
+}
+
+/* Custom CSS to style bold text */
+b, strong {
+    color: rgb(120, 120, 240); /* Replace with your desired RGB color */
 }
\ No newline at end of file
diff --git a/themes/quartz/custom.css b/themes/quartz/custom.css
index e69de29bb..595d8049e 100644
--- a/themes/quartz/custom.css
+++ b/themes/quartz/custom.css
@@ -0,0 +1,11 @@
+h1, h2, h3, h4 {
+    color: rgb(255, 255, 255); /* We want the text to dark gray */
+}
+body {
+    color: rgb(240, 240, 240); /* We want the text to dark gray */
+}
+
+/* Custom CSS to style bold text */
+b, strong {
+    color: rgb(220, 180, 255); /* Replace with your desired RGB color */
+}
\ No newline at end of file
diff --git a/themes/quartz/quartz.json b/themes/quartz/quartz.json
index 4a2f59cf9..c92c2ee35 100644
--- a/themes/quartz/quartz.json
+++ b/themes/quartz/quartz.json
@@ -562,138 +562,30 @@
         },
         "colorscale": {
             "diverging": [
-                [
-                    0,
-                    "#8e0152"
-                ],
-                [
-                    0.1,
-                    "#c51b7d"
-                ],
-                [
-                    0.2,
-                    "#de77ae"
-                ],
-                [
-                    0.3,
-                    "#f1b6da"
-                ],
-                [
-                    0.4,
-                    "#fde0ef"
-                ],
-                [
-                    0.5,
-                    "#f7f7f7"
-                ],
-                [
-                    0.6,
-                    "#e6f5d0"
-                ],
-                [
-                    0.7,
-                    "#b8e186"
-                ],
-                [
-                    0.8,
-                    "#7fbc41"
-                ],
-                [
-                    0.9,
-                    "#4d9221"
-                ],
-                [
-                    1,
-                    "#276419"
-                ]
+                [0.0, "rgba(39,100,25,1.0)"],
+                [0.1, "rgba(77,146,33,1.0)"],
+                [0.2, "rgba(127,188,65,0.7)"],
+                [0.3, "rgba(184,225,134,0.3)"],
+                [0.4, "rgba(230,245,208,0.0)"],
+                [0.5, "rgba(247,247,247,0.0)"],
+                [0.6, "rgba(253,224,239,0.0)"],
+                [0.7, "rgba(241,182,218,0.3)"],
+                [0.8, "rgba(222,119,174,0.7)"],
+                [0.9, "rgba(197,27,125,1.0)"],
+                [1.0, "rgba(142,1,82,1.0)"]
             ],
             "sequential": [
-                [
-                    0.0,
-                    "#e83283"
-                ],
-                [
-                    0.1,
-                    "#f03f7e"
-                ],
-                [
-                    0.2,
-                    "#f84c79"
-                ],
-                [
-                    0.30000000000000004,
-                    "#ff5974"
-                ],
-                [
-                    0.4,
-                    "#ff666f"
-                ],
-                [
-                    0.5,
-                    "#ff7469"
-                ],
-                [
-                    0.6000000000000001,
-                    "#ff8164"
-                ],
-                [
-                    0.7000000000000001,
-                    "#ff8e5f"
-                ],
-                [
-                    0.8,
-                    "#ff9b5a"
-                ],
-                [
-                    0.9,
-                    "#ffa855"
-                ],
-                [
-                    1.0,
-                    "#ffb550"
-                ]
+                [0.0, "rgba(232,50,131,1.0)"], [0.1, "rgba(240,63,126,1.0)"], [0.2, "rgba(248,76,121,1.0)"],
+                [0.3, "rgba(255,89,116,1.0)"], [0.4, "rgba(255,102,111,1.0)"], [0.5, "rgba(255,116,105,1.0)"],
+                [0.6, "rgba(255,129,100,1.0)"], [0.7, "rgba(255,142,95,1.0)"],
+                [0.8, "rgba(255,155,90,1.0)"], [0.9, "rgba(255,168,85,1.0)"], [1.0, "rgba(255,181,80,1.0)"]
             ],
             "sequentialminus": [
-                [
-                    0.0,
-                    "#0d0887"
-                ],
-                [
-                    0.1111111111111111,
-                    "#46039f"
-                ],
-                [
-                    0.2222222222222222,
-                    "#7201a8"
-                ],
-                [
-                    0.3333333333333333,
-                    "#9c179e"
-                ],
-                [
-                    0.4444444444444444,
-                    "#bd3786"
-                ],
-                [
-                    0.5555555555555556,
-                    "#d8576b"
-                ],
-                [
-                    0.6666666666666666,
-                    "#ed7953"
-                ],
-                [
-                    0.7777777777777778,
-                    "#fb9f3a"
-                ],
-                [
-                    0.8888888888888888,
-                    "#fdca26"
-                ],
-                [
-                    1.0,
-                    "#f0f921"
-                ]
+                [0.0, "rgba(13,8,135,1.0)"], [0.11, "rgba(70,3,159,1.0)"], [0.22, "rgba(114,1,168,1.0)"],
+                [0.33, "rgba(156,23,158,1.0)"], [0.44, "rgba(189,55,134,1.0)"],
+                [0.55, "rgba(216,87,107,1.0)"], [0.66, "rgba(237,121,83,1.0)"],
+                [0.77, "rgba(251,159,58,1.0)"], [0.88, "rgba(253,202,38,1.0)"],
+                [1.0, "rgba(240,249,33,1.0)"]
             ]
         },
         "colorway": [