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feat(color): add seed variables for palette colors #573

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feat(color): add seed variables for palette colors #573

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7a25caa
feat(color): add seed variables for palette colors
didimmova May 20, 2026
9aa3293
test(color): fix seed variables test
didimmova May 20, 2026
a28f784
feat(colors): update seed variables logic
didimmova May 21, 2026
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9 changes: 7 additions & 2 deletions packages/theming/sass/color/_functions.scss
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Original file line number Diff line number Diff line change
Expand Up @@ -74,7 +74,7 @@ $_enhanced-accessibility: false;
$info-palette: if($info, shades('info', $info, $color-shades), ());
$success-palette: if($success, shades('success', $success, $color-shades), ());
$warn-palette: if($warn, shades('warn', $warn, $color-shades), ());
$error-palette: if($success, shades('error', $error, $color-shades), ());
$error-palette: if($error, shades('error', $error, $color-shades), ());

@return (
'primary': $primary-palette,
Expand Down Expand Up @@ -147,6 +147,11 @@ $_enhanced-accessibility: false;
@if #{$name} == 'gray' {
$lum: luminance($surface);
$color: if($color, $color, if($lum > 0.5, #000, #fff));

@if #{$shade} == 'seed' {
@return (raw: $color, hsl: $color);
}

$lmap: map.get(multipliers.$grayscale, 'l');
$len: list.length($lmap);
$i: list.index(map.keys($lmap), #{$shade});
Expand All @@ -167,7 +172,7 @@ $_enhanced-accessibility: false;
$hsl: null;
$raw: null;

@if #{$shade} == '500' {
@if #{$shade} == '500' or #{$shade} == 'seed' {
$hsl: $color;
$raw: $color;
} @else {
Expand Down
2 changes: 1 addition & 1 deletion packages/theming/sass/color/_types.scss
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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,7 @@
/// A list consisting of all generated gray shades
/// @type Map
/// @access public
$IGrayShades: ('50', '100', '200', '300', '400', '500', '600', '700', '800', '900');
$IGrayShades: ('50', '100', '200', '300', '400', '500', '600', '700', '800', '900', 'seed');

/// A list consisting of all generated shades for palette colors
/// @type Map
Expand Down
44 changes: 44 additions & 0 deletions packages/theming/tests/_color.spec.scss
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,18 @@ $_success: green;
$_info: blue;
$_warn: orange;
$_error: red;
$_gray: #333;
$_palette-with-gray: palette(
$primary: $_primary,
$secondary: $_secondary,
$surface: $_surface,
$success: $_success,
$info: $_info,
$warn: $_warn,
$error: $_error,
$gray: $_gray,
$variant: 'material',
);
$_palette: palette(
$primary: $_primary,
$secondary: $_secondary,
Expand Down Expand Up @@ -368,5 +380,37 @@ $_palette: palette(
}
}
}

@include describe('seed color variables') {
@include it('emits --ig-{name}-seed CSS variables; uses provided gray or derives from surface') {
// palette with explicitly provided gray
@include assert() {
@include output($selector: false) {
@include palette($_palette-with-gray);
}

@include contains($selector: false) {
:root {
--ig-primary-seed: #{$_primary};
--ig-gray-seed: #{$_gray};
}
}
}

// palette with gray omitted — derived from surface (#fff → #000)
@include assert() {
@include output($selector: false) {
@include palette($_palette);
}

@include contains($selector: false) {
:root {
--ig-primary-seed: #{$_primary};
--ig-gray-seed: #000;
}
}
}
}
}
}
}
16 changes: 16 additions & 0 deletions packages/theming/tests/styles/_mocks.scss
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,8 @@ $handmade-palette: (
'A400-contrast': white,
'A700': #284ea8,
'A700-contrast': white,
'seed': #6797de,
'seed-contrast': white,
),
'secondary': (
'50': #fef7e2,
Expand Down Expand Up @@ -60,6 +62,8 @@ $handmade-palette: (
'A400-contrast': white,
'A700': #f38e28,
'A700-contrast': white,
'seed': #f7bd32,
'seed-contrast': white,
),
'tertiary': (
'500': #f7bd32,
Expand All @@ -86,6 +90,8 @@ $handmade-palette: (
'800-contrast': white,
'900': #1a1a1a,
'900-contrast': white,
'seed': #b3b2b2,
'seed-contrast': black,
),
'info': (
'50': #fef7e2,
Expand Down Expand Up @@ -116,6 +122,8 @@ $handmade-palette: (
'A400-contrast': white,
'A700': #f38e28,
'A700-contrast': white,
'seed': #f7bd32,
'seed-contrast': white,
),
'success': (
'50': #fef7e2,
Expand Down Expand Up @@ -146,6 +154,8 @@ $handmade-palette: (
'A400-contrast': white,
'A700': #f38e28,
'A700-contrast': white,
'seed': #f7bd32,
'seed-contrast': white,
),
'warn': (
'50': #fef7e2,
Expand Down Expand Up @@ -176,6 +186,8 @@ $handmade-palette: (
'A400-contrast': white,
'A700': #f38e28,
'A700-contrast': white,
'seed': #f7bd32,
'seed-contrast': white,
),
'error': (
'50': #fef7e2,
Expand Down Expand Up @@ -206,6 +218,8 @@ $handmade-palette: (
'A400-contrast': white,
'A700': #f38e28,
'A700-contrast': white,
'seed': #f7bd32,
'seed-contrast': white,
),
'surface': (
'50': #fef7e2,
Expand Down Expand Up @@ -236,5 +250,7 @@ $handmade-palette: (
'A400-contrast': white,
'A700': #f38e28,
'A700-contrast': white,
'seed': #f7bd32,
'seed-contrast': white,
)
);
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