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Reference

Struct - Color

Struct reference for iced::Color.

Version: latest | Last updated: 2026-02-19

Struct - Color

Authoritative source: ref/doc/iced/struct.Color.html.

# Rustdoc summary

A color in the sRGB color space.

# Verified declaration

rust
pub struct Color {
    pub r: f32,
    pub g: f32,
    pub b: f32,
    pub a: f32,
}

# When to use

Use this struct when you need the concrete typed value represented by iced::... in application/runtime or layout code.

# Why to use

It gives explicit data and behavior surfaces aligned with rustdoc signatures and trait bounds.

# Example References

  • ref/examples/gradient/src/main.rs
  • ref/examples/gallery/src/main.rs
  • ref/examples/sierpinski_triangle/src/main.rs
  • ref/examples/custom_quad/src/main.rs
  • ref/examples/game_of_life/src/main.rs
  • ref/examples/custom_widget/src/main.rs

# Use this when...

  • You need this concrete Iced type in state/configuration/helpers.
  • You want stronger typing than primitive values provide.
  • You are working with runtime primitives like Task/Subscription/Settings.

# Minimal example

rust
// Construct and pass this struct where the corresponding API expects it.

# How it works

Crate-level structs define shared runtime, geometry, styling, and configuration data. Using them directly keeps app code aligned with rustdoc contracts.

# Common patterns

rust
// Centralize commonly reused struct values in helper constructors.

# Gotchas / tips

  • Prefer explicit Iced structs over loosely typed primitives where possible.
  • Check trait bounds when using these types in generic code.
  • For runtime structs, keep lifecycle ownership clear.