hex triplets for colors

kiln-tui/src/render.rs

@@ -197,13 +197,6 @@ mod tests {
         spec.into_board(&HashSet::new()).expect("board spec converts")
     }
 
-    /// An `{ r, g, b, a }` color table. `Glyph` derives serde straight onto
-    /// `color::Rgba8`, so map TOML spells colors out structurally rather than as
-    /// `"#rrggbb"` strings.
-    fn rgb(r: u8, g: u8, b: u8) -> String {
-        format!("{{ r = {r}, g = {g}, b = {b}, a = 255 }}")
-    }
-
     /// Builds a tiny dark board: a 5×1 corridor with the player at the left end
     /// and a wall at x=2 occluding the two cells behind it.
     fn dark_corridor() -> Board {
@@ -267,7 +260,7 @@ mod tests {
         // and a lamp you can walk through belongs off-grid. The player sits at x=0
         // (Board::lighting reads player_pos for the sightline) but carries no torch,
         // so the sensor is the only light.
-        let board = board_from(&format!(
+        let board = board_from(
             r##"
             name = "lit"
             width = 6
@@ -284,11 +277,9 @@ mod tests {
             draw_layer = "Above"
             opaque = false
             glow = 2
-            glyph = {{ tile = 1, fg = {fg}, bg = {bg} }}
+            glyph = { tile = 1, fg = "#FF0000", bg = "#000000" }
         "##,
-            fg = rgb(255, 0, 0),
-            bg = rgb(0, 0, 0),
-        ));
+        );
         let fov = board.lighting(0); // no player torch — only the sensor lights
 
         let area = Rect::new(0, 0, 6, 1);