adding grass and ocean colour variables

opentech/static_src/src/sass/apply/abstracts/_variables.scss

@@ -17,7 +17,8 @@ $color--pink: #e35ca6;
 $color--light-pink: #ffe1df;
 $color--tomato: #f05e54;
 $color--mint: #40c2ad;
-
+$color--grass: #7dc588;
+$color--ocean: #1888b1;
 $color--sky-blue: #e7f2f6;
 $color--marine: #177da8;