adjust lightness settings in theme gen scripts

app-config/ghostty/tundra-monobiome-light.config

@@ -0,0 +1,41 @@
+# base settings
+background = #f1f5fd
+foreground = #303339
+
+selection-background = #e1e5ec
+selection-foreground = #3d4046
+
+cursor-color = #3d4046
+cursor-text = #e1e5ec
+
+# black
+palette = 0=#f1f5fd
+palette = 8=#d0d4dc
+
+# red
+palette = 1=#db4b3d
+palette = 9=#b62920
+
+# green
+palette = 2=#4e8757
+palette = 10=#396740
+
+# yellow
+palette = 3=#7f7a42
+palette = 11=#615d2f
+
+# blue
+palette = 4=#4d7ad1
+palette = 12=#345aa4
+
+# magenta (red)
+palette = 5=#a4672a
+palette = 13=#83501b
+
+# cyan (blue)
+palette = 6=#4d7ad1
+palette = 14=#345aa4
+
+# white
+palette = 7=#4a4d53
+palette = 15=#303339