Use RED, LIME, BLUE from bevy::color::palettes::css & Into<Color>

Addresses Bevy #12163 (bevyengine/bevy#12163)

Author: zhaop

crates/transform-gizmo-bevy/examples/bevy_minimal.rs

@@ -1,6 +1,7 @@
 //! A very simple example
 //! See the project root's `examples` directory for more examples
 
+use bevy::color::palettes::css::LIME;
 use bevy::prelude::*;
 use transform_gizmo_bevy::*;
 
@@ -30,7 +31,7 @@ fn setup(
     commands.spawn((
         PbrBundle {
             mesh: meshes.add(Cuboid::new(1.0, 1.0, 1.0)),
-            material: materials.add(Color::GREEN),
+            material: materials.add(Color::from(LIME)),
             transform: Transform::from_translation(Vec3::new(0.0, 0.0, 0.0)),
             ..default()
         },

examples/bevy/src/main.rs

@@ -15,7 +15,7 @@ mod scene;
 
 fn main() {
     App::new()
-        .insert_resource(ClearColor(Color::rgb_u8(20, 20, 20)))
+        .insert_resource(ClearColor(Color::srgb_u8(20, 20, 20)))
         .add_plugins(DefaultPlugins.set(WindowPlugin {
             primary_window: Some(Window {
                 title: "transform-gizmo-demo".into(),

examples/bevy/src/scene.rs

@@ -1,3 +1,4 @@
+use bevy::color::palettes::css::{BLUE, LIME, RED};
 use bevy::prelude::*;
 use bevy_mod_outline::*;
 use bevy_mod_picking::prelude::*;
@@ -37,7 +38,7 @@ fn setup_scene(
 
     let cube_count: i32 = 3;
 
-    let colors = [Color::RED, Color::GREEN, Color::BLUE];
+    let colors: [Color; 3] = [RED.into(), LIME.into(), BLUE.into()];
 
     for i in 0..cube_count {
         commands