refactor: change green color palette (#16)

Author: leMaur

resources/assets/css/_variables.css

@@ -49,11 +49,11 @@
     --theme-color-warning-900: #ec5c08;
 
     /* Green */
-    --theme-color-success-50: #f6fdf8;
-    --theme-color-success-100: #edf7f0;
-    --theme-color-success-200: #e2f0e6;
-    --theme-color-success-300: #b0dbbc;
-    --theme-color-success-400: #8cc69d;
+    --theme-color-success-50: #f1fbf4;
+    --theme-color-success-100: #e2f0e6;
+    --theme-color-success-200: #b0dbbc;
+    --theme-color-success-300: #8cc69d;
+    --theme-color-success-400: #60c07c;
     --theme-color-success-500: #42b263;
     --theme-color-success-600: #289548;
     --theme-color-success-700: #307845;