Update colour_grey.txt

colour_grey.txt

@@ -1,26 +1,26 @@
-silver grey
-dark grey
-light grey
-iron grey
+silver_grey
+dark_grey
+light_grey
+iron_grey
 lividity
-charcoal grey
-rose dust
+charcoal_grey
+rose_dust
 zephyr
 elderberry
-sky grey
-dust grey
-smoky grey
-misty grey
-grey black
-purple grey
-blue grey
+sky_grey
+dust_grey
+smoky_grey
+misty_grey
+grey_black
+purple_grey
+blue_grey
 lividity
-pale grey
-pale lilac
-dove grey
-concrete grey
-heron
-lilac grey
-eucalyptus
-moon light
-khaki light
+pale_grey
+pale_lilac
+dove_grey
+concrete_grey
+dark_purple_gray
+lilac_grey
+light_green_gray
+moon_light
+khaki_light