diff --git a/rsconcept/frontend/src/components/RefsInput/index.tsx b/rsconcept/frontend/src/components/RefsInput/index.tsx
index b7b16a76..f6eaf1a9 100644
--- a/rsconcept/frontend/src/components/RefsInput/index.tsx
+++ b/rsconcept/frontend/src/components/RefsInput/index.tsx
@@ -88,7 +88,7 @@ function RefsInput({
     },
     styles: [
       { tag: tags.name, color: colors.fgPurple }, // GlobalID
-      { tag: tags.literal, color: colors.fgBlue }, // literals
+      { tag: tags.literal, color: colors.fgTeal }, // literals
     ]
   }), [editable, colors, darkMode]);
 
diff --git a/rsconcept/frontend/src/models/rsform.ts b/rsconcept/frontend/src/models/rsform.ts
index 9c86ec56..e73e5704 100644
--- a/rsconcept/frontend/src/models/rsform.ts
+++ b/rsconcept/frontend/src/models/rsform.ts
@@ -24,12 +24,12 @@ export enum CstClass {
 
 // Constituenta expression status
 export enum ExpressionStatus {
+  VERIFIED = 'verified',
+  INCORRECT = 'incorrect',
+  PROPERTY = 'property',
+  INCALCULABLE = 'incalculable',
   UNDEFINED = 'undefined',
   UNKNOWN = 'unknown',
-  INCORRECT = 'incorrect',
-  INCALCULABLE = 'incalculable',
-  PROPERTY = 'property',
-  VERIFIED = 'verified'
 }
 
 export interface TermForm {
diff --git a/rsconcept/frontend/src/utils/color.ts b/rsconcept/frontend/src/utils/color.ts
index 88b3118c..c645b051 100644
--- a/rsconcept/frontend/src/utils/color.ts
+++ b/rsconcept/frontend/src/utils/color.ts
@@ -60,7 +60,7 @@ export const lightT: IColorTheme = {
   // Hightlight syntax accents
   bgRed:      'hsl(000, 100%, 089%)',
   bgGreen:    'hsl(100, 100%, 075%)',
-  bgBlue:     'hsl(235, 100%, 085%)',
+  bgBlue:     'hsl(235, 080%, 087%)',
   bgPurple:   'hsl(274, 089%, 081%)',
   bgTeal:     'hsl(192, 089%, 081%)',
   bgOrange:   'hsl(028, 100%, 075%)',
@@ -68,7 +68,7 @@ export const lightT: IColorTheme = {
   fgRed:      'hsl(000, 090%, 045%)',
   fgGreen:    'hsl(100, 090%, 035%)',
   fgBlue:     'hsl(235, 100%, 050%)',
-  fgPurple:   'hsl(270, 100%, 070%)',
+  fgPurple:   'hsl(270, 100%, 055%)',
   fgTeal:     'hsl(200, 080%, 050%)',
   fgOrange:   'hsl(030, 090%, 055%)'
 };