SwiftUI Color.yellow

.yellow

Caution, Ratings & Highlights

Adaptive System Token•iOS 13.0+, macOS 10.15+, tvOS 13.0+, watchOS 6.0+, visionOS 1.0+

Complete technical specification and developer reference for Yellow in Apple's SwiftUI design system. In light appearance, it resolves to HEX #FFCC00; in dark appearance, it dynamically adapts to HEX #FFD600. Features wide-gamut Display P3 values, UIKit bridge (UIColor.systemYellow), AppKit bridge (NSColor.systemYellow), WCAG contrast audit, and Xcode drop-in initializers.

Light Mode#FFCC00

Dark Mode#FFD600

Yellow Color Preview

SwiftUI's adaptable yellow.

Color.yellow

Copy:

Dynamic Asset

Caution, Ratings & Highlights

iOS 13.0+, macOS 10.15+, tvOS 13.0+, watchOS 6.0+, visionOS 1.0+

Initializers & Color Spaces

Color(r:g:b:)Color(red: 1.000, green: 0.800, blue: 0.000)

Color(r:g:b:op:)Color(red: 1.000, green: 0.800, blue: 0.000, opacity: 1.00)

Color(hue:sat:bri:)HSBColor(hue: 0.133, saturation: 1.000, brightness: 1.000, opacity: 1.00)

Color(.displayP3)Wide GamutColor(.displayP3, red: 0.969, green: 0.808, blue: 0.275, opacity: 1.00)

Color(.sRGB)Color(.sRGB, red: 1.000, green: 0.800, blue: 0.000, opacity: 1.00)

Color(hex:)ExtensionColor(hex: "#FFCC00")

#colorLiteralXcode#colorLiteral(red: 1.000, green: 0.800, blue: 0.000, alpha: 1.00)

Color(uiColor:)iOSColor(uiColor: UIColor(red: 1.000, green: 0.800, blue: 0.000, alpha: 1.00))

Active HEX: #FFCC00P3 R: 0.969 G: 0.808 B: 0.275

Technical Color Specifications

Exact resolved HEX codes, sRGB 8-bit components, HSL, and normalized Swift floating-point decimals for Light and Dark modes.

Color Metric / Space	Light Appearance	Dark Appearance	Swift Code Literal
HEX Code	#FFCC00	#FFD600	Color(hex: "#FFCC00")
sRGB (0–255)	rgb(255, 204, 0)	rgb(255, 214, 0)	(r: 1.000, g: 0.800, b: 0.000)
Display P3 (Wide Gamut)	P3 (0.969, 0.808, 0.275)	P3 (0.973, 0.847, 0.286)	Color(.displayP3, ...)
HSL / HSB	hsl(48, 100%, 50%)	hsl(50, 100%, 50%)	Color(hue:sat:bri:)
Platform Bridge	UIKit: `UIColor.systemYellow`	AppKit: `NSColor.systemYellow`	Color(uiColor:) / Color(nsColor:)

Light Appearance

Light Theme

HEX Code

#FFCC00

RGB (0–255)

rgb(255, 204, 0)

HSL

hsl(48, 100%, 50%)

Normalized Swift Literal:

(r: 1.000, g: 0.800, b: 0.000)

Dark Appearance

Dark Theme

HEX Code

#FFD600

RGB (0–255)

rgb(255, 214, 0)

HSL

hsl(50, 100%, 50%)

Normalized Swift Literal:

(r: 1.000, g: 0.839, b: 0.000)

Drop-In Developer Snippets

Ready-to-paste code blocks for Xcode asset catalogs and Swift files.

Xcode Location: Save as Contents.json inside Assets.xcassets/Yellow.colorset/

Includes Light + Dark Modes

Contents.json

{
  "colors": [
    {
      "color": {
        "color-space": "srgb",
        "components": {
          "red": "1.000",
          "green": "0.800",
          "blue": "0.000",
          "alpha": "1.000"
        }
      },
      "idiom": "universal"
    },
    {
      "appearances": [
        {
          "appearance": "luminosity",
          "value": "dark"
        }
      ],
      "color": {
        "color-space": "srgb",
        "components": {
          "red": "1.000",
          "green": "0.839",
          "blue": "0.000",
          "alpha": "1.000"
        }
      },
      "idiom": "universal"
    }
  ],
  "info": {
    "author": "xcode",
    "version": 1
  }
}

Live UI Component Sandbox

Preview Color.yellow inside standard Apple interface components.

Interactive Controls

Active TagBadge 99+

Toggle Tint

Container & Typography Styling

●SwiftUI Notification

Just now

Demonstrates how Apple designers pair system background tints with dynamic Yellow accents.

Dynamic Headline in Yellow

.foregroundStyle(.yellow)

Platform Implementation Snippets

Ready-to-use Swift code for SwiftUI, UIKit, and AppKit applications.

SwiftUI (Swift 5.9+)

// Standard SwiftUI Usage
Text("Hello, Apple")
    .foregroundStyle(Color.yellow)

// Background & Shape Fill
RoundedRectangle(cornerRadius: 16)
    .fill(Color.yellow)
    .frame(width: 200, height: 50)

// Prominent Action Button
Button("Confirm Action") {
    // Action
}
.buttonStyle(.borderedProminent)
.tint(Color.yellow)

WCAG 2.1 Accessibility Contrast Audit

Contrast calculations of Yellow against pure white and iOS OLED dark surfaces.

Light Mode (#FFCC00)on White (#FFF)

Contrast Ratio:1.51:1

Normal Text (4.5:1 AA): Fail

Dark Mode (#FFD600)on Dark (#1C1C1E)

Contrast Ratio:12.05:1

Normal Text (4.5:1 AA): Pass (AA)

Recommended HIG Use Cases

Star ratings, bookmarks, and favorite flags
Attention indicators and highlighted text terms
Warning alerts and weather condition icons

Anti-Patterns to Avoid

Thin text on light backgrounds (poor contrast)
Unbordered buttons on pure white

Browse More SwiftUI Colors

Quickly jump to other Apple system colors and semantic tokens.

Red

Frequently Asked Questions

How do I use Color.yellow in SwiftUI?

In SwiftUI, apply the color directly using view modifiers like .foregroundStyle(.yellow), .tint(.yellow), or .background(.yellow). You can also instantiate it via Color.yellow.

What is the HEX code for SwiftUI Yellow in light and dark mode?

In light appearance, SwiftUI Yellow resolves to #FFCC00. In dark appearance, it automatically adapts to #FFD600.

What is the UIKit and AppKit equivalent of SwiftUI Color.yellow?

The UIKit equivalent is UIColor.systemYellow (accessible in SwiftUI via Color(uiColor: .systemYellow)). The AppKit equivalent is NSColor.systemYellow (accessible via Color(nsColor: .systemYellow)).

Does SwiftUI Color.yellow adapt automatically to dark mode?

Yes, Color.yellow is a dynamic Apple system token that automatically updates between light (#FFCC00) and dark (#FFD600) appearances when the system appearance changes.

What is the Display P3 and sRGB value of Color.yellow?

Color.yellow uses resolved sRGB values (#FFCC00 in light, #FFD600 in dark) and supports wide color gamut Display P3 coordinates for high-fidelity rendering on Apple Retina displays.