COSMIC Light theme update and built-in theme cleanup

color-schemes/COSMIC Light.ron

@@ -1,37 +1,37 @@
 (
     name: "COSMIC Light",
-    foreground: "#292929",
-    cursor: "#292929",
-    bright_foreground: "#808080",
-    dim_foreground: "#181818",
+    foreground: "#1B1B1B",
+    cursor: "#1B1B1B",
+    bright_foreground: "#000000",
+    dim_foreground: "#262626",
     normal: (
-        black: "#292929",
-        red: "#8C151F",
-        green: "#145129",
-        yellow: "#624000",
-        blue: "#003F5F",
-        magenta: "#6D169C",
-        cyan: "#004F57",
-        white: "#BEBEBE",
+        black: "#1B1B1B",
+        red: "#A24F50",
+        green: "#437E4F",
+        yellow: "#7D6E1E",
+        blue: "#516D94",
+        magenta: "#9A30CA",
+        cyan: "#227A85",
+        white: "#C4C4C4",
     ),
     bright: (
-        black: "#808080",
-        red: "#9D2329",
-        green: "#235D34",
-        yellow: "#714B00",
-        blue: "#054B6F",
-        magenta: "#7A28A9",
-        cyan: "#005C5D",
-        white: "#D7D7D7",
+        black: "#000000",
+        red: "#890418",
+        green: "#185529",
+        yellow: "#534800",
+        blue: "#2E496D",
+        magenta: "#6B0091",
+        cyan: "#00525A",
+        white: "#E8E8E8",
     ),
     dim: (
-        black: "#181818",
-        red: "#652020",
-        green: "#183C22",
-        yellow: "#4A320A",
-        blue: "#072D44",
-        magenta: "#50256D",
-        cyan: "#0B3C41",
-        white: "#ABABAB",
+        black: "#262626",
+        red: "#B25D5E",
+        green: "#528D5E",
+        yellow: "#8C7D30",
+        blue: "#5F7CA4",
+        magenta: "#AA43DB",
+        cyan: "#358994",
+        white: "#C4C4C4",
     ),
 )