diff --git a/Sources/ThemePark/Query.swift b/Sources/ThemePark/Query.swift
new file mode 100644
index 0000000..0ff33ec
--- /dev/null
+++ b/Sources/ThemePark/Query.swift
@@ -0,0 +1,58 @@
+import SwiftUI
+
+public enum ControlState: Hashable, Sendable {
+	case active
+	case inactive
+	case hover
+
+#if os(macOS)
+	init(controlActiveState: ControlActiveState) {
+		switch controlActiveState {
+		case .active, .key:
+			self = .active
+		case .inactive:
+			self = .inactive
+		@unknown default:
+			self = .active
+		}
+	}
+#endif
+}
+
+public struct Query: Hashable, Sendable {
+	public enum Key: Hashable, Sendable {
+		public enum Editor: Hashable, Sendable {
+			case background
+			case accessoryForeground
+			case accessoryBackground
+			case cursor
+		}
+
+		public enum Gutter: Hashable, Sendable {
+			case background
+			case label
+		}
+
+		case editor(Editor)
+		case gutter(Gutter)
+		case syntax(SyntaxSpecifier)
+	}
+
+	public struct Context: Hashable, Sendable {
+		public var controlState: ControlState
+		public var variant: Variant
+
+		public init(controlState: ControlState = .active, colorScheme: ColorScheme, colorSchemeContrast: ColorSchemeContrast = .standard) {
+			self.controlState = controlState
+			self.variant = Variant(colorScheme: colorScheme, colorSchemeContrast: colorSchemeContrast)
+		}
+	}
+
+	public var key: Key
+	public var context: Context
+
+	public init(key: Key, context: Context) {
+		self.key = key
+		self.context = context
+	}
+}
diff --git a/Sources/ThemePark/Style.swift b/Sources/ThemePark/Style.swift
index 87d8fa0..479f9bd 100644
--- a/Sources/ThemePark/Style.swift
+++ b/Sources/ThemePark/Style.swift
@@ -9,25 +9,6 @@ public typealias PlatformColor = NSColor
 public typealias PlatformFont = NSFont
 #endif
 
-public enum ControlState: Hashable, Sendable {
-	case active
-	case inactive
-	case hover
-
-#if os(macOS)
-	init(controlActiveState: ControlActiveState) {
-		switch controlActiveState {
-		case .active, .key:
-			self = .active
-		case .inactive:
-			self = .inactive
-		@unknown default:
-			self = .active
-		}
-	}
-#endif
-}
-
 public struct Style: Hashable {
 	public let color: PlatformColor
 	public let font: PlatformFont?
@@ -54,38 +35,38 @@ public struct Variant: Hashable, Sendable {
 		self.colorScheme = colorScheme
 		self.colorSchemeContrast = colorSchemeContrast
 	}
-}
 
-public struct Query: Hashable, Sendable {
-	public enum Key: Hashable, Sendable {
-		public enum Editor: Hashable, Sendable {
-			case background
-			case accessoryForeground
-			case accessoryBackground
-			case cursor
+	#if canImport(AppKit)
+	public init (appearance: NSAppearance) {
+		switch appearance.name {
+		case .aqua:
+			self.init(colorScheme: .light, colorSchemeContrast: .standard)
+		case .accessibilityHighContrastAqua, .accessibilityHighContrastVibrantLight:
+			self.init(colorScheme: .light, colorSchemeContrast: .increased)
+		case .darkAqua:
+			self.init(colorScheme: .dark, colorSchemeContrast: .standard)
+		case .accessibilityHighContrastDarkAqua, .accessibilityHighContrastVibrantDark:
+			self.init(colorScheme: .light, colorSchemeContrast: .increased)
+		default:
+			self.init(colorScheme: .light, colorSchemeContrast: .standard)
 		}
-
-		case editor(Editor)
-		case syntax(SyntaxSpecifier)
 	}
 
-	public struct Context: Hashable, Sendable {
-		public var controlState: ControlState
-		public var variant: Variant
-
-		public init(controlState: ControlState = .active, colorScheme: ColorScheme, colorSchemeContrast: ColorSchemeContrast = .standard) {
-			self.controlState = controlState
-			self.variant = Variant(colorScheme: colorScheme, colorSchemeContrast: colorSchemeContrast)
+	public var appearance: NSAppearance? {
+		switch (colorScheme, colorSchemeContrast) {
+		case (.light, .standard):
+			NSAppearance(named: .aqua)
+		case (.light, .increased):
+			NSAppearance(named: .accessibilityHighContrastAqua)
+		case (.dark, .standard):
+			NSAppearance(named: .darkAqua)
+		case (.dark, .increased):
+			NSAppearance(named: .accessibilityHighContrastDarkAqua)
+		default:
+			NSAppearance(named: .aqua)
 		}
 	}
-
-	public var key: Key
-	public var context: Context
-
-	public init(key: Key, context: Context) {
-		self.key = key
-		self.context = context
-	}
+	#endif
 }
 
 public protocol Styling {
@@ -94,6 +75,10 @@ public protocol Styling {
 }
 
 extension Styling {
+	public func style(for key: Query.Key, context: Query.Context = .init(colorScheme: .light)) -> Style {
+		style(for: Query(key: key, context: context))
+	}
+	
 	public func color(for query: Query) -> PlatformColor {
 		style(for: query).color
 	}
diff --git a/Sources/ThemePark/SyntaxSpecifier.swift b/Sources/ThemePark/SyntaxSpecifier.swift
index e66c358..7719cd7 100644
--- a/Sources/ThemePark/SyntaxSpecifier.swift
+++ b/Sources/ThemePark/SyntaxSpecifier.swift
@@ -63,6 +63,7 @@ public enum SyntaxSpecifier: Hashable, Sendable {
 	}
 
 	case text
+	case invisible
 	case keyword(Keyword?)
 	case literal(Literal?)
 	case comment(Comment?)
diff --git a/Sources/ThemePark/XcodeTheme.swift b/Sources/ThemePark/XcodeTheme.swift
index 7224525..39a347b 100644
--- a/Sources/ThemePark/XcodeTheme.swift
+++ b/Sources/ThemePark/XcodeTheme.swift
@@ -5,6 +5,7 @@ public struct XcodeTheme: Codable, Hashable, Sendable {
 	public let sourceTextBackground: String
 	public let markupTextNormal: String
 	public let insertionPoint: String
+	public let invisibles: String
 	public let syntaxColors: [String: String]
 
 	enum CodingKeys: String, CodingKey {
@@ -13,6 +14,7 @@ public struct XcodeTheme: Codable, Hashable, Sendable {
 		case syntaxColors = "DVTSourceTextSyntaxColors"
 		case sourceTextBackground = "DVTSourceTextBackground"
 		case insertionPoint = "DVTSourceTextInsertionPointColor"
+		case invisibles = "DVTSourceTextInvisiblesColor"
 	}
 
 	public init(with data: Data) throws {
@@ -139,7 +141,7 @@ extension XcodeTheme: Styling {
 
 	public func style(for query: Query) -> Style {
 		switch query.key {
-		case .editor(.background):
+		case .editor(.background), .gutter(.background):
 			let color = fallbackBackgroundColor
 
 			return Style(color: color, font: nil)
@@ -153,7 +155,7 @@ extension XcodeTheme: Styling {
 			return syntaxStyle(for: "xcode.syntax.string")
 		case .syntax(.keyword(_)):
 			return syntaxStyle(for: "xcode.syntax.keyword")
-		case .syntax(.text):
+		case .syntax(.text), .gutter(.label):
 			return syntaxStyle(for: "xcode.syntax.plain")
 		case .syntax(.identifier(.variable)):
 			return syntaxStyle(for: "xcode.syntax.identifier.variable")
@@ -161,8 +163,11 @@ extension XcodeTheme: Styling {
 			return syntaxStyle(for: "xcode.syntax.number")
 		case .syntax(.identifier(.type)):
 			return syntaxStyle(for: "xcode.syntax.identifier.type")
+		case .syntax(.invisible):
+			let color = PlatformColor(componentsString: invisibles) ?? fallbackForegroundColor
+
+			return Style(color: color, font: nil)
 		case .syntax(_):
-			print("asked for: ", query.key)
 			return syntaxStyle(for: "xcode.syntax.plain")
 		default:
 			return Style(color: .red, font: nil)
diff --git a/Tests/ThemeParkTests/XcodeThemeTests.swift b/Tests/ThemeParkTests/XcodeThemeTests.swift
index 6ba7281..a34e857 100644
--- a/Tests/ThemeParkTests/XcodeThemeTests.swift
+++ b/Tests/ThemeParkTests/XcodeThemeTests.swift
@@ -7,6 +7,7 @@ final class XcodeThemeTests: XCTestCase {
 		let theme = try XcodeTheme(contentsOf: url)
 
 		XCTAssertEqual(theme.sourceTextBackground, "1 1 1 1")
+		XCTAssertEqual(theme.invisibles, "0.8 0.8 0.8 1")
 		XCTAssertEqual(theme.syntaxColors.count, 28)
 		XCTAssertEqual(theme.supportedVariants, [.init(colorScheme: .light)])
 
@@ -21,16 +22,24 @@ final class XcodeThemeTests: XCTestCase {
 		let theme = try XcodeTheme(contentsOf: url)
 
 		XCTAssertEqual(
-			theme.style(for: Query(key: .editor(.background), context: .init(colorScheme: .light))),
+			theme.style(for: .editor(.background)),
 			Style(color: PlatformColor(hex: "#ffffff")!)
 		)
 		XCTAssertEqual(
-			theme.style(for: Query(key: .syntax(.text), context: .init(colorScheme: .light))),
+			theme.style(for: .syntax(.text)),
 			Style(color: PlatformColor(red: 0.0, green: 0.0, blue: 0.0, alpha: 0.85))
 		)
 		XCTAssertEqual(
-			theme.style(for: Query(key: .syntax(.comment(nil)), context: .init(colorScheme: .light))),
+			theme.style(for: .syntax(.comment(nil))),
 			Style(color: PlatformColor(red: 0.36526, green: 0.421879, blue: 0.475154, alpha: 1.0))
 		)
+		XCTAssertEqual(
+			theme.style(for: .gutter(.background)),
+			theme.style(for: .editor(.background))
+		)
+		XCTAssertEqual(
+			theme.style(for: .gutter(.label)),
+			theme.style(for: .syntax(.text))
+		)
 	}
 }