diff --git a/CHANGELOG.md b/CHANGELOG.md
index 53705e2fc4..0b21b4e14e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -33,8 +33,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 * Synchronized the value format in the pan and zoom tab in the image view settings widget ([#2235](https://github.com/CARTAvis/carta-frontend/issues/2235)).
 * Fix save image/export regions bug which could cause directory overwrite or deletion ([#1377](https://github.com/CARTAvis/carta-backend/issues/1377)).
 * Fix incorrect rendering of image view when moving the window to monitors with different screen resolution ([[#2285](https://github.com/CARTAvis/carta-frontend/issues/2285)])
-* Fixed the unit label of the y axis for flux density in the spectral profiles ([#2355](https://github.com/CARTAvis/carta-frontend/issues/2355)).
 ### Changed
+* Changed the limitation of plotting up-to-10 profiles in the spectral profiler multi-profile mode to up-to-16 ([#2440](https://github.com/CARTAvis/carta-frontend/issues/2440))
+* Fixed the unit label of the y axis for flux density in the spectral profiles ([#2355](https://github.com/CARTAvis/carta-frontend/issues/2355)).
 * Axes order of the PV diagram becomes a sticky parameter ([#2402](https://github.com/CARTAvis/carta-frontend/issues/2402)).
 
 ## [4.1.0]
diff --git a/src/stores/Widgets/SpectralProfileWidget/SpectralProfileSelectionStore.ts b/src/stores/Widgets/SpectralProfileWidget/SpectralProfileSelectionStore.ts
index 2b5d0e619e..c2b3f36846 100644
--- a/src/stores/Widgets/SpectralProfileWidget/SpectralProfileSelectionStore.ts
+++ b/src/stores/Widgets/SpectralProfileWidget/SpectralProfileSelectionStore.ts
@@ -29,7 +29,7 @@ interface SpectralConfig extends CARTA.SetSpectralRequirements.ISpectralConfig {
     regionId: number | null;
 }
 
-const MAXIMUM_PROFILES = 10;
+const MAXIMUM_PROFILES = 16;
 
 type Profile = {
     channelValues: number[];
diff --git a/src/utilities/color/color.ts b/src/utilities/color/color.ts
index 34601a97c9..0c9aa90476 100644
--- a/src/utilities/color/color.ts
+++ b/src/utilities/color/color.ts
@@ -20,6 +20,8 @@ export const SWATCH_COLORS = [
     Colors.FOREST3,
     Colors.GOLD3,
     Colors.CERULEAN3,
+    Colors.ROSE3,
+    Colors.VERMILION3,
     Colors.LIGHT_GRAY3,
     Colors.DARK_GRAY3,
     Colors.WHITE,
@@ -27,13 +29,12 @@ export const SWATCH_COLORS = [
 ];
 export const DEFAULT_COLOR = SWATCH_COLORS[0];
 
-const SELECTABLE_COLORS = ["blue", "orange", "green", "red", "violet", "sepia", "indigo", "gray", "lime", "turquoise", "forest", "gold", "cobalt", "light_gray", "dark_gray", "white", "black"];
+const SELECTABLE_COLORS = ["blue", "orange", "green", "red", "violet", "sepia", "indigo", "gray", "lime", "turquoise", "forest", "gold", "cerulean", "rose", "vermilion", "light_gray", "dark_gray"];
 export const AUTO_COLOR_OPTIONS = SELECTABLE_COLORS.map(color => {
     return `auto-${color}`;
 });
 
-// SUPPORTED_COLORS are supported since ver. 1.4, and rose/vermilion are removed from selectable colors due to similar to red
-const SUPPORTED_COLORS = [...SELECTABLE_COLORS, "rose", "vermilion"];
+const SUPPORTED_COLORS = [...SELECTABLE_COLORS, "white", "black"];
 
 // Supported auto colors are in pattern "auto-blue", "auto-orange", "auto-green"...etc
 // Validate with regex ^auto-(blue|orange|green...)$