问顺风某些自定义颜色在laravel 8欢迎页面中不生效

EN

const defaultTheme = require('tailwindcss/defaultTheme');

module.exports = {

theme: {
   extend: {
        colors:{
            salmon: {
                th1: '#B03060',    
            },
            tuna: {
                th1: '#393B3E',    
            },
            wildblueyonder: {
                th1: '#768DAE',
            },
            xanadu: {
                th1: '#798578',
            },
            napa: {
                th1: '#AC9F8F',
            },    
            cararra: {
                th1: '#F6F7F4',    
            },
            kimberly: {
                th2: '#7A81A8',
            },
            shakespeare: {
                th2: '#53A7CE',
            },
            jordyblue: {
                th2: '#8CCBF3',
            },
            softpeach: {
                th2: '#FAF7F6',
            },
            softr: {
                th2: '#FAF7F6',    
            },
        },
        fontFamily: {
            sans: ['Nunito', ...defaultTheme.fontFamily.sans],
        },
    },
},
variants: {
    extend: {
        opacity: ['disabled'],
    },
},

plugins: [require('@tailwindcss/forms')],
};

 <div class="flex lg:justify-center">
                <label class="bg-tuna-th1">test</label>
                <a href="{{ route('login') }}"
                    class="inline-flex px-6 py-2 text-2xl font-semibold text-salmon-th1 transition duration-500 ease-in-out transform rounded-lg hover:bg-red-700 hover:to-red focus:shadow-outline focus:outline-none focus:ring-2 ring-offset-current ring-offset-2">@lang("Login")</a>
                <a href="{{ route('register') }}"
                    class="inline-flex items-center text-2xl px-6 py-2 ml-4 font-semibold text-white transition duration-500 ease-in-out transform bg-red-800 rounded-lg shadow-xl hover:to-red hover:bg-red-700 hover:text-white focus:shadow-outline focus:outline-none focus:ring-2 ring-offset-current ring-offset-2">@lang("Register")</a>
            </div>