element-web/res/themes/light-custom/css/_custom.scss

/*
Copyright 2019 The Matrix.org Foundation C.I.C.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

$font-family: var(--font-family, $font-family);
$monospace-font-family: var(--font-family-monospace, $monospace-font-family);
//
// --accent-color
$accent-color: var(--accent-color);
$accent-bg-color: var(--accent-color-15pct);
$button-bg-color: var(--accent-color);
$button-link-fg-color: var(--accent-color);
$button-primary-bg-color: var(--accent-color);
$input-valid-border-color: var(--accent-color);
$reaction-row-button-selected-border-color: var(--accent-color);
$tab-label-active-bg-color: var(--accent-color);
$togglesw-on-color: var(--accent-color);
$username-variant3-color: var(--accent-color);
$accent-color-50pct: var(--accent-color-50pct); //still needs alpha at .5
//
// --timeline-background-color
$authpage-body-bg-color: var(--timeline-background-color);
$button-secondary-bg-color: var(--timeline-background-color);
$field-focused-label-bg-color: var(--timeline-background-color);
$lightbox-border-color: var(--timeline-background-color);
$menu-bg-color: var(--timeline-background-color);
$avatar-bg-color: var(--timeline-background-color);
$message-action-bar-bg-color: var(--timeline-background-color);
$primary-bg-color: var(--timeline-background-color);
$togglesw-ball-color: var(--timeline-background-color);
$droptarget-bg-color: var(--timeline-background-color-50pct); //still needs alpha at .5
$authpage-modal-bg-color: var(--timeline-background-color-50pct); //still needs alpha at .59
$roomheader-bg-color: var(--timeline-background-color);
//
// --roomlist-highlights-color
$roomtile-selected-bg-color: var(--roomlist-highlights-color);
//
// --sidebar-color
$interactive-tooltip-bg-color: var(--sidebar-color);
$tagpanel-bg-color: var(--sidebar-color);
$tooltip-timeline-bg-color: var(--sidebar-color);
$dialog-backdrop-color: var(--sidebar-color-50pct);
$roomlist-button-bg-color: var(--sidebar-color-15pct);
//
// --roomlist-background-color
$header-panel-bg-color: var(--roomlist-background-color);
$reaction-row-button-bg-color: var(--roomlist-background-color);
$panel-gradient: var(--roomlist-background-color-0pct), var(--roomlist-background-color);
// these were #f2f5f8 instead of #f3f8fd, but close enough
$dark-panel-bg-color: var(--roomlist-background-color);
$input-lighter-bg-color: var(--roomlist-background-color);
$plinth-bg-color: var(--roomlist-background-color);
$secondary-accent-color: var(--roomlist-background-color);
$selected-color: var(--roomlist-background-color);
$widget-menu-bar-bg-color: var(--roomlist-background-color);
$roomlist-bg-color: var(--roomlist-background-color);
//
// --timeline-text-color
$message-action-bar-fg-color: var(--timeline-text-color);
$primary-fg-color: var(--timeline-text-color);
$settings-profile-overlay-placeholder-fg-color: var(--timeline-text-color);
$roomtopic-color: var(--timeline-text-color-50pct);
$tab-label-fg-color: var(--timeline-text-color);
$tab-label-icon-bg-color: var(--timeline-text-color);   //was #454545
// was #212121
$topleftmenu-color: var(--timeline-text-color);
// was #45474a
$dialog-title-fg-color: var(--timeline-text-color);
$tab-label-fg-color: var(--timeline-text-color);
// was #4e5054
$authpage-lang-color: var(--timeline-text-color);
$roomheader-color: var(--timeline-text-color);
// --roomlist-text-secondary-color
$roomtile-preview-color: var(--roomlist-text-secondary-color);
$roomlist-header-color: var(--roomlist-text-secondary-color);
$roomtile-default-badge-bg-color: var(--roomlist-text-secondary-color);

//
// --roomlist-separator-color
$input-darker-bg-color: var(--roomlist-separator-color);
$panel-divider-color: var(--roomlist-separator-color);// originally #dee1f3, but close enough
$primary-hairline-color: var(--roomlist-separator-color);// originally #e5e5e5, but close enough
$roomsublist-divider-color: var(--roomlist-separator-color);
//
// --timeline-text-secondary-color
$authpage-secondary-color: var(--timeline-text-secondary-color);
$memberstatus-placeholder-color: var(--timeline-text-secondary-color);
$notice-secondary-color: var(--timeline-text-secondary-color);
$pinned-color: var(--timeline-text-secondary-color);
$settings-subsection-fg-color: var(--timeline-text-secondary-color);
$roomheader-addroom-bg-color: var(--timeline-text-secondary-color);
// was #747474
$light-fg-color: var(--timeline-text-secondary-color);
// was #777777
$blockquote-fg-color: var(--timeline-text-secondary-color);
// was #888888
$greyed-fg-color: var(--timeline-text-secondary-color);
$info-plinth-fg-color: var(--timeline-text-secondary-color);
$preview-widget-fg-color: var(--timeline-text-secondary-color);
//
// --primary-color
$accent-color-alt: var(--primary-color);
$input-focused-border-color: var(--primary-color);
//
// --warning-color
$button-danger-bg-color: var(--warning-color);
$event-highlight-fg-color: var(--warning-color);
$input-invalid-border-color: var(--warning-color);
$mention-user-pill-bg-color: var(--warning-color);
$notice-primary-color: var(--warning-color);
$pinned-unread-color: var(--warning-color);
$warning-color: var(--warning-color);
$button-danger-disabled-bg-color: var(--warning-color-50pct); // still needs alpha at 0.5
//
// --username colors (which use a 0-based index)
$username-variant1-color: var(--username-colors_0, $username-variant1-color);
$username-variant2-color: var(--username-colors_1, $username-variant2-color);
$username-variant3-color: var(--username-colors_2, $username-variant3-color);
$username-variant4-color: var(--username-colors_3, $username-variant4-color);
$username-variant5-color: var(--username-colors_4, $username-variant5-color);
$username-variant6-color: var(--username-colors_5, $username-variant6-color);
$username-variant7-color: var(--username-colors_6, $username-variant7-color);
$username-variant8-color: var(--username-colors_7, $username-variant8-color);
//
// --timeline-highlights-color
$event-selected-color: var(--timeline-highlights-color);
$event-highlight-bg-color: var(--timeline-highlights-color);
//
// redirect some variables away from their hardcoded values in the light theme
$settings-grey-fg-color: $primary-fg-color;