angular / angular/components

bug(list): matListItemIcon color is wrong for disabled list items

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area: material/list P3
Dominant language
TypeScript
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Description

### Is this a regression?

- [ ] Yes, this behavior used to work in the previous version

### The previous version in which this bug was not present was

_No response_

### Description

The color of `matListItemIcon` is wrong for disabled list items. It is different to the [list component from material-web](https://material-web.dev/components/list)

### Reproduction

StackBlitz link: https://stackblitz.com/edit/ir6zfh?file=src%2Fexample%2Flist-overview-example.html
Steps to reproduce:
1. Hover over "Item 2 (disabled)"
2. See the `matListItemIcon` changing its color

### Expected Behavior

The color of the `matListItemIcon` stays constant if the list item is disabled.

### Actual Behavior

The color of the `matListItemIcon` is changing.

### Environment

Angular CLI: 17.0.0
Node: 18.18.0
Package Manager: yarn 1.22.19
OS: linux x64

Angular: 17.0.0
... animations, cli, common, compiler, compiler-cli, core, forms
... platform-browser, platform-browser-dynamic, router, ssr

Package Version
------------------------------------------------------------
@angular-devkit/architect 0.1700.0
@angular-devkit/build-angular 17.0.0
@angular-devkit/core 17.0.0
@angular-devkit/schematics 17.0.0
@angular/cdk 17.0.1
@angular/material 17.0.1
@angular/material-moment-adapter 17.0.1
@schematics/angular 17.0.0
rxjs 7.4.0
typescript 5.2.2
zone.js 0.14.0

Contributor guide

Open the contributing guide

Research direction

Start with the linked StackBlitz reproduction and inspect the Angular Material list implementation for matListItemIcon styling. Compare the disabled item with the material-web list behavior, then verify that hovering a disabled item no longer changes the icon color.

Written by the indexing model from the issue text.

Assessment

Tech stack
angular, typescript
Domain
frontend
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
45/100

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