app/assets/stylesheets/bootstrap_layout/_colors.sass
/* colors from your_platform */
$lime: #b0eb00
$bright-red: #b30015
$dark-blue: #2a00b3
$deep-cerulean: #0077b3
$bondi-blue: #00b0b3
$cyan: #24fbff
$heliotrope: #8a7dff
$silver-chalice: #a6a6a6
$scorpion: #595959
$tundora: #444
$mine-shaft: #363636
$cod-gray: #111
$body-color: #f5f8fa
$headerbar-color: #337ab7
$headerbar-contrast-color: #fff
$breadcrumb-bar-bgcolor: $headerbar-color
$breadcrumb-bar-color: $headerbar-contrast-color
$help-button-bgcolor: lighten($headerbar-color, 10%)
$help-button-bordercolor: $headerbar-color
$search-box-bgcolor: lighten($headerbar-color, 10%)
$search-box-bordercolor: $headerbar-color
=placeholder
&::-webkit-input-placeholder
@content
&:-moz-placeholder
@content
&::-moz-placeholder
@content
&:-ms-input-placeholder
@content
@import "bootstrap_layout/_color_overrides"