1. Override Colors

For any change in colors : scss/variable.scss

                  
// colors
$white: #fff !default;
$gray-100: #f6f8fa !default;
$gray-200: #f5f8fb !default;
$gray-300: #dbe1e6 !default;
$gray-400: #fbfcfd !default;
$gray-600: #707a82 !default;
$gray-900: #3a4752 !default;
$black: #000 !default;

// Color
$blue: #2952ff !default;
$red: #f25a5a !default;
$yellow: #f2d15a !default;
$green: #85d446 !default;
$cyan: #74dbf7 !default;
$muted: #b7c2cc !default;

// Main Colors
$primary: $blue !default;
$secondary: #74dbf7 !default;
$success: $green !default;
$inverse: $gray-900 !default;
$info: #745af2 !default;
$warning: $yellow !default;
$danger: $red !default;
$light: $gray-100 !default;
$dark: $gray-900 !default;

// light colors
$primary-bg-subtle: #e4f1fc !default;
$secondary-bg-subtle: #e4f8fb !default;
$success-bg-subtle: #e4f5d6 !default;
$info-bg-subtle: #e7e3fd !default;
$warning-bg-subtle: #fdf7e3 !default;
$danger-bg-subtle: #fde3e3 !default;