Use appropriate console colors in envs help

modules/core/src/main/scala/scala/build/internals/EnvsUtil.scala

@@ -1,5 +1,7 @@
 package scala.build.internals
 
+import scala.build.internals.ConsoleUtils.ScalaCliConsole
+
 object EnvsUtil {
   def helpMessage(isPower: Boolean): String =
     s"""The following is the list of environment variables used and recognized by Scala CLI.
@@ -22,6 +24,9 @@ object EnvsUtil {
     * @param passToIde
     *   Whether to pass this variable to the IDE/BSP client (true by default, should only be
     *   disabled for env vars which aren't safe to save on disk)
+    * @param requiresPower
+    *   Whether this variable is related to a feature that requires power mode; also used for
+    *   internal toggles and such
     */
   case class EnvVar(
     name: String,
@@ -31,8 +36,11 @@ object EnvsUtil {
   ) {
     def valueOpt: Option[String]  = Option(System.getenv(name))
     override def toString: String = s"$name=${valueOpt.getOrElse("")}"
-    def helpMessage(spaces: String): String =
-      s"$name$spaces${if requiresPower then "(power) " else ""}$description"
+    def helpMessage(spaces: String): String = {
+      val powerString =
+        if requiresPower then s"${ScalaCliConsole.GRAY}(power)${Console.RESET} " else ""
+      s"${Console.YELLOW}$name${Console.RESET}$spaces$powerString$description"
+    }
   }
   object EnvVar {
     trait EnvVarGroup {