adjust lightness settings in theme gen scripts

app-config/kitty/tundra-monobiome-light.active.theme

@@ -1,41 +1,41 @@
 # base settings
-background           #eaeff6
-foreground           #2b2e33
+background           #f1f5fd
+foreground           #303339
 
-selection_background #dadee6
-selection_foreground #373b40
+selection_background #e1e5ec
+selection_foreground #3d4046
 
-cursor               #373b40
-cursor_text          #dadee6
+cursor               #3d4046
+cursor_text          #e1e5ec
 
 # black
-color0               #eaeff6
-color8               #caced5
+color0               #f1f5fd
+color8               #d0d4dc
 
 # red
-color1               #ce3c30
-color9               #a11d15
+color1               #db4b3d
+color9               #b62920
 
 # green
-color2               #477d50
-color10              #315b38
+color2               #4e8757
+color10              #396740
 
 # yellow
-color3               #736e3a
-color11              #555129
+color3               #7f7a42
+color11              #615d2f
 
 # blue
-color4               #406bbe
-color12              #2c4f93
+color4               #4d7ad1
+color12              #345aa4
 
 # magenta (red)
-color5               #995f25
-color13              #744616
+color5               #a4672a
+color13              #83501b
 
 # cyan (blue)
-color6               #406bbe
-color14              #2c4f93
+color6               #4d7ad1
+color14              #345aa4
 
 ## white
-color7               #44484e
-color15              #2b2e33
+color7               #4a4d53
+color15              #303339