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Add custom colors to the WordPress editor via `add_theme_support`
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<?php | |
/** | |
* Add custom colors to the WordPress editor via `add_theme_support` | |
* | |
* This takes the existing colours (if your theme or a plugin has set any) | |
* and combines them with a new set of colours defined in the function | |
* | |
* New colours should be visible in the various color pickers found in | |
* WordPress admin | |
*/ | |
function add_custom_colors_to_palette() { | |
// Get the existing colors if the theme supports it | |
$existing_colors = get_theme_support( 'editor-color-palette' ); | |
// Set custom colors | |
$additional_colors = array( | |
array( | |
'name' => esc_html__( 'Custom Color 1', 'twentytwentyone' ), | |
'slug' => 'custom-color-1', | |
'color' => '#aa5555', | |
), | |
array( | |
'name' => esc_html__( 'Custom Color 2', 'twentytwentyone' ), | |
'slug' => 'custom-color-2', | |
'color' => '#55aa55', | |
), | |
array( | |
'name' => esc_html__( 'Custom Color 3', 'twentytwentyone' ), | |
'slug' => 'custom-color-3', | |
'color' => '#5555aa', | |
) | |
); | |
// Merge if there are existing colors | |
if ( isset( $existing_colors[0] ) ) { | |
$all_colors = array_merge( $existing_colors[0], $additional_colors ); | |
} else { | |
$all_colors = $additional_colors; | |
} | |
// Set the colors again | |
add_theme_support( | |
'editor-color-palette', | |
$all_colors | |
); | |
} | |
// Change priority to 20 to hook in later | |
add_action( 'after_setup_theme', 'add_custom_colors_to_palette', 20 ); |
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Adding priority 20 was the clincher. I was panicking thinking that
add_theme_support( 'editor-color-palette', $did_not_take_a_variable_or_callback );
Glad that it does! Thanks for this 👍