check_contrast
Verify color contrast meets WCAG accessibility standards for text readability by checking foreground and background color combinations against specified compliance levels.
Instructions
Check color contrast compliance with WCAG accessibility standards
Input Schema
| Name | Required | Description | Default |
|---|---|---|---|
| background | Yes | Background color | |
| foreground | Yes | Foreground color (typically text color) | |
| standard | No | Accessibility standard to check against | WCAG_AA |
| text_size | No | Text size category for WCAG compliance | normal |
Input Schema (JSON Schema)
{
"properties": {
"background": {
"description": "Background color",
"type": "string"
},
"foreground": {
"description": "Foreground color (typically text color)",
"type": "string"
},
"standard": {
"default": "WCAG_AA",
"description": "Accessibility standard to check against",
"enum": [
"WCAG_AA",
"WCAG_AAA",
"APCA"
],
"type": "string"
},
"text_size": {
"default": "normal",
"description": "Text size category for WCAG compliance",
"enum": [
"normal",
"large"
],
"type": "string"
}
},
"required": [
"foreground",
"background"
],
"type": "object"
}