change: Tweak default light colour scheme (#450)

Removes/tweaks some really light colours that might cause issues with a white background. For example, yellow on white didn't look so great, so I adjusted the memory/rx colours for this mode.

CHANGELOG.md

@@ -49,6 +49,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - [#449](https://github.com/ClementTsang/bottom/pull/449): Add decimal place to actual memory usage in process widget for values greater or equal to 1GiB.
 
+- [#450](https://github.com/ClementTsang/bottom/pull/450): Tweak `default-light` colour scheme to look less terrible on white terminals.
+
 ## Bug Fixes
 
 - [#416](https://github.com/ClementTsang/bottom/pull/416): Fixes grouped vs ungrouped modes in the processes widget having inconsistent spacing.

src/constants.rs

@@ -43,6 +43,21 @@ pub static DEFAULT_LIGHT_MODE_COLOUR_PALETTE: Lazy<ConfigColours> = Lazy::new(||
     selected_text_color: Some("white".to_string()),
     graph_color: Some("black".to_string()),
     disabled_text_color: Some("gray".to_string()),
+    ram_color: Some("blue".to_string()),
+    swap_color: Some("red".to_string()),
+    rx_color: Some("blue".to_string()),
+    tx_color: Some("red".to_string()),
+    rx_total_color: Some("LightBlue".to_string()),
+    tx_total_color: Some("LightRed".to_string()),
+    cpu_core_colors: Some(vec![
+        "LightMagenta".to_string(),
+        "LightBlue".to_string(),
+        "LightRed".to_string(),
+        "Cyan".to_string(),
+        "Green".to_string(),
+        "Blue".to_string(),
+        "Red".to_string(),
+    ]),
     ..ConfigColours::default()
 });