diff --git a/static/app.js b/static/app.js
index 99a02e9..3bd7c77 100644
--- a/static/app.js
+++ b/static/app.js
@@ -319,12 +319,12 @@ function scrollTableToToday(host, today, hasFc) {
 // Tier css class -> literal color (mirrors style.css; needed because the chart is
 // rasterized to PNG, where CSS variables aren't available).
 const TIER_COLORS = {
-  "rec-hot": "#8f0e20", "very-hot": "#dd6b52", "hot": "#ef9351", "warm": "#f6c18a",
-  "normal": "#4a9d5b",
-  "cool": "#92c5de", "cold": "#4393c3", "very-cold": "#2166ac", "rec-cold": "#0a2f6b",
-  "dry": "#c9a24a",
-  "wet-1": "#d9f0d3", "wet-2": "#b7e2b1", "wet-3": "#8fd18f", "wet-4": "#5cba9f", "wet-5": "#35a1c0",
-  "wet-6": "#2b8cbe", "wet-7": "#226bb3", "wet-8": "#164a97", "wet-9": "#08306b",
+  "rec-hot": "#7d1a49", "very-hot": "#db2777", "hot": "#f472b6", "warm": "#f9a8d4",
+  "normal": "#f0dce8",
+  "cool": "#cbb6f7", "cold": "#9b6ef0", "very-cold": "#6d28d9", "rec-cold": "#3b0764",
+  "dry": "#cbb26a",
+  "wet-1": "#f3e8ff", "wet-2": "#e9d5ff", "wet-3": "#d8b4fe", "wet-4": "#c084fc", "wet-5": "#a855f7",
+  "wet-6": "#9333ea", "wet-7": "#7e22ce", "wet-8": "#6b21a8", "wet-9": "#4c1d95",
 };
 
 // Percentile grade scale, low -> high. Names are deliberately *relative* to each
@@ -370,18 +370,18 @@ function chartPalette() {
   const css = getComputedStyle(document.documentElement);
   const v = (name, f) => (css.getPropertyValue(name).trim() || f);
   const dark = matchMedia("(prefers-color-scheme: dark)").matches;
-  const hi = v("--very-hot", "#dd6b52");        // daily-high series = warm tier red
-  const lo = v("--cold", "#4393c3");            // daily-low series = cool tier blue
+  const hi = v("--very-hot", "#db2777");        // daily-high series = warm tier magenta
+  const lo = v("--cold", "#9b6ef0");            // daily-low series = cool tier violet
   return {
     surface: v("--surface-2", dark ? "#1e242c" : "#eef1f5"),
     ink: v("--text", dark ? "#e7ecf2" : "#1a2029"),
     muted: v("--muted", dark ? "#9aa6b2" : "#5b6673"),
     grid: v("--border", dark ? "#2a323c" : "#dde3ea"),
-    accent: v("--accent", "#f0803c"),
+    accent: v("--accent", "#ec4899"),
     hi, lo,
     // Distinct line/point accents for the three added series; the graded fan
     // behind them still uses the shared diverging tier colors (same as temps).
-    feels: v("--accent", "#f0803c"),   // "feels like" = orange accent
+    feels: v("--accent", "#ec4899"),   // "feels like" = magenta accent
     humid: "#2ea9bf",                  // humidity = cyan
     wind: "#5aa9a3",                   // wind speed = teal
     gust: "#8f86d8",                   // wind gust = periwinkle
@@ -633,11 +633,11 @@ function precipChart(days, n, xFor, C) {
 // "Days since last rain" dry-streak color: rain days are blue; each dry day warms
 // from a light base toward dark red, saturating at 14 consecutive dry days.
 // (Mirrors the calendar's dry-streak ramp.)
-const DRY_BASE = [247, 217, 176], DRY_MAX = [122, 13, 26], DRY_CAP = 14;
+const DRY_BASE = [247, 214, 226], DRY_MAX = [125, 26, 73], DRY_CAP = 14;
 const lerpRgb = (a, b, t) => `rgb(${a.map((x, i) => Math.round(x + (b[i] - x) * t)).join(",")})`;
 function drynessColor(dsr) {
   if (dsr == null) return "";
-  if (dsr === 0) return "#2b7bba";              // measurable rain that day
+  if (dsr === 0) return "#6d28d9";              // measurable rain that day
   return lerpRgb(DRY_BASE, DRY_MAX, Math.min(dsr, DRY_CAP) / DRY_CAP);
 }
 
diff --git a/static/calendar.js b/static/calendar.js
index 1d7f69b..5a47d30 100644
--- a/static/calendar.js
+++ b/static/calendar.js
@@ -4,26 +4,26 @@
 // intentionally re-declares the small shared tier constants so it stays independent
 // of app.js (the map page).
 
-// 9-step diverging temperature scale (cold navy -> green -> hot red).
+// 9-step diverging temperature scale ("Orchid Sunset": violet -> blush -> magenta).
 const TIER_COLORS = {
-  "rec-hot": "#8f0e20", "very-hot": "#dd6b52", "hot": "#ef9351", "warm": "#f6c18a",
-  "normal": "#4a9d5b",
-  "cool": "#92c5de", "cold": "#4393c3", "very-cold": "#2166ac", "rec-cold": "#0a2f6b",
+  "rec-hot": "#7d1a49", "very-hot": "#db2777", "hot": "#f472b6", "warm": "#f9a8d4",
+  "normal": "#f0dce8",
+  "cool": "#cbb6f7", "cold": "#9b6ef0", "very-cold": "#6d28d9", "rec-cold": "#3b0764",
 };
-// 9-step rain-intensity ramp (rain-day percentile): light green -> teal -> dark navy.
+// 9-step rain-intensity ramp (rain-day percentile): light lilac -> orchid -> deep violet.
 const PRECIP_COLORS = {
-  "wet-1": "#d9f0d3", "wet-2": "#b7e2b1", "wet-3": "#8fd18f", "wet-4": "#5cba9f", "wet-5": "#35a1c0",
-  "wet-6": "#2b8cbe", "wet-7": "#226bb3", "wet-8": "#164a97", "wet-9": "#08306b",
+  "wet-1": "#f3e8ff", "wet-2": "#e9d5ff", "wet-3": "#d8b4fe", "wet-4": "#c084fc", "wet-5": "#a855f7",
+  "wet-6": "#9333ea", "wet-7": "#7e22ce", "wet-8": "#6b21a8", "wet-9": "#4c1d95",
 };
 
 // "Days since last rain" dry-streak color: rain days are blue; each dry day warms
 // from a light base toward dark red, saturating at 14 consecutive dry days.
-const DRY_BASE = [247, 217, 176], DRY_MAX = [122, 13, 26], DRY_CAP = 14;
+const DRY_BASE = [247, 214, 226], DRY_MAX = [125, 26, 73], DRY_CAP = 14;
 const lerpRgb = (a, b, t) =>
   `rgb(${a.map((x, i) => Math.round(x + (b[i] - x) * t)).join(",")})`;
 function drynessColor(dsr) {
   if (dsr == null) return "";
-  if (dsr === 0) return "#2b7bba";           // measurable rain that day
+  if (dsr === 0) return "#6d28d9";           // measurable rain that day
   return lerpRgb(DRY_BASE, DRY_MAX, Math.min(dsr, DRY_CAP) / DRY_CAP);
 }
 // low -> high percentile scale, per metric (temp vs precip use different classes)
diff --git a/static/day.js b/static/day.js
index 920c8b8..006488f 100644
--- a/static/day.js
+++ b/static/day.js
@@ -6,15 +6,15 @@
 // so the page stays independent of app.js.
 
 const TIER_COLORS = {
-  "rec-hot": "#8f0e20", "very-hot": "#dd6b52", "hot": "#ef9351", "warm": "#f6c18a",
-  "normal": "#4a9d5b",
-  "cool": "#92c5de", "cold": "#4393c3", "very-cold": "#2166ac", "rec-cold": "#0a2f6b",
+  "rec-hot": "#7d1a49", "very-hot": "#db2777", "hot": "#f472b6", "warm": "#f9a8d4",
+  "normal": "#f0dce8",
+  "cool": "#cbb6f7", "cold": "#9b6ef0", "very-cold": "#6d28d9", "rec-cold": "#3b0764",
 };
 const PRECIP_COLORS = {
-  "wet-1": "#d9f0d3", "wet-2": "#b7e2b1", "wet-3": "#8fd18f", "wet-4": "#5cba9f", "wet-5": "#35a1c0",
-  "wet-6": "#2b8cbe", "wet-7": "#226bb3", "wet-8": "#164a97", "wet-9": "#08306b",
+  "wet-1": "#f3e8ff", "wet-2": "#e9d5ff", "wet-3": "#d8b4fe", "wet-4": "#c084fc", "wet-5": "#a855f7",
+  "wet-6": "#9333ea", "wet-7": "#7e22ce", "wet-8": "#6b21a8", "wet-9": "#4c1d95",
 };
-const DRY_COLOR = "#c9a24a";
+const DRY_COLOR = "#cbb26a";
 
 const fmtTemp = (v) => (v == null ? "—" : `${Math.round(v)}°`);
 const fmtPrecip = (v) => (v == null ? "—" : `${v.toFixed(2)}"`);
diff --git a/static/style.css b/static/style.css
index cc8ebfe..59c2062 100644
--- a/static/style.css
+++ b/static/style.css
@@ -5,31 +5,32 @@
   --border: #2a323c;
   --text: #e7ecf2;
   --muted: #9aa6b2;
-  --accent: #f0803c;
+  --accent: #ec4899;
 
-  /* temperature grades: 9-step diverging cold -> green -> hot (colorblind-safe).
-     rec-* are the "Near Record" danger tiers — deliberately dark/saturated. */
-  --rec-cold: #0a2f6b;
-  --very-cold: #2166ac;
-  --cold: #4393c3;
-  --cool: #92c5de;
-  --normal: #4a9d5b;   /* middle of the diverging temp scale = green */
-  --warm: #f6c18a;
-  --hot: #ef9351;
-  --very-hot: #dd6b52;
-  --rec-hot: #8f0e20;
+  /* temperature grades: 9-step diverging cold -> neutral -> hot ("Orchid Sunset").
+     Cool end = violet/lavender, warm end = rose/magenta; rec-* are the "Near Record"
+     danger tiers — deliberately dark/saturated. */
+  --rec-cold: #3b0764;
+  --very-cold: #6d28d9;
+  --cold: #9b6ef0;
+  --cool: #cbb6f7;
+  --normal: #f0dce8;   /* middle of the diverging temp scale = soft blush (see light-theme override) */
+  --warm: #f9a8d4;
+  --hot: #f472b6;
+  --very-hot: #db2777;
+  --rec-hot: #7d1a49;
 
-  /* precipitation: "dry" + 9 rain-intensity tiers, light green -> teal -> dark navy */
-  --dry: #c9a24a;
-  --wet-1: #d9f0d3;
-  --wet-2: #b7e2b1;
-  --wet-3: #8fd18f;
-  --wet-4: #5cba9f;
-  --wet-5: #35a1c0;   /* middle of the rain scale */
-  --wet-6: #2b8cbe;
-  --wet-7: #226bb3;
-  --wet-8: #164a97;
-  --wet-9: #08306b;
+  /* precipitation: "dry" + 9 rain-intensity tiers, light lilac -> orchid -> deep violet */
+  --dry: #cbb26a;
+  --wet-1: #f3e8ff;
+  --wet-2: #e9d5ff;
+  --wet-3: #d8b4fe;
+  --wet-4: #c084fc;
+  --wet-5: #a855f7;   /* middle of the rain scale */
+  --wet-6: #9333ea;
+  --wet-7: #7e22ce;
+  --wet-8: #6b21a8;
+  --wet-9: #4c1d95;
 }
 
 @media (prefers-color-scheme: light) {
@@ -40,6 +41,11 @@
     --border: #dde3ea;
     --text: #1a2029;
     --muted: #5b6673;
+    /* The soft-blush middle tiers vanish on a white surface — darken them just
+       enough to stay legible as swatches, cell fills, and grade text. */
+    --normal: #c05a8a;
+    --warm: #ef7fbe;
+    --cool: #a98bf0;
   }
 }
 
@@ -161,12 +167,12 @@ main { max-width: 1200px; margin: 0 auto; padding: 20px 24px 60px; }
   display: flex; align-items: center; gap: 13px;
   width: 100%; margin: 0 0 20px; padding: 14px 16px; min-height: 60px;
   border: none; border-radius: 13px; text-decoration: none;
-  color: #1a1206; background: linear-gradient(135deg, #f79556, #ea722c);
-  box-shadow: 0 4px 16px rgba(240, 128, 60, .3);
+  color: #2a0716; background: linear-gradient(135deg, #f472b6, #db2777);
+  box-shadow: 0 4px 16px rgba(219, 39, 119, .3);
   transition: transform .12s ease, box-shadow .12s ease, filter .12s ease;
 }
-.cta-cal:hover { transform: translateY(-1px); box-shadow: 0 7px 22px rgba(240, 128, 60, .42); filter: brightness(1.04); }
-.cta-cal:active { transform: translateY(0); box-shadow: 0 3px 10px rgba(240, 128, 60, .34); }
+.cta-cal:hover { transform: translateY(-1px); box-shadow: 0 7px 22px rgba(219, 39, 119, .42); filter: brightness(1.04); }
+.cta-cal:active { transform: translateY(0); box-shadow: 0 3px 10px rgba(219, 39, 119, .34); }
 .cta-cal:focus-visible { outline: 3px solid var(--text); outline-offset: 2px; }
 .cta-cal-icon { font-size: 26px; line-height: 1; flex-shrink: 0; }
 .cta-cal-text { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
@@ -194,7 +200,7 @@ main { max-width: 1200px; margin: 0 auto; padding: 20px 24px 60px; }
 .chart-toggle button.active[data-metric="wind"] { background: #5aa9a3; color: #08201e; }
 .chart-toggle button.active[data-metric="gust"] { background: #8f86d8; color: #100c26; }
 .chart-toggle button.active[data-metric="precip"] { background: var(--wet-6); color: #fff; }
-.chart-toggle button.active[data-metric="dry"] { background: #c9a24a; color: #241a04; }
+.chart-toggle button.active[data-metric="dry"] { background: #cbb26a; color: #241a04; }
 .chart-legend {
   display: flex; flex-wrap: wrap; gap: 14px; font-size: 12px; color: var(--muted); margin-bottom: 8px;
 }