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집  >  기사  >  웹 프론트엔드  >  CSS3의 새로운 색상 모드는 무엇입니까

CSS3의 새로운 색상 모드는 무엇입니까

青灯夜游
青灯夜游원래의
2021-04-06 11:38:053117검색

css에는 3가지 새로운 색상 모드가 추가되었습니다. 1. "rgba(255,0,0,0.5)"와 같은 RGB 모드에 알파 투명도를 추가하는 RGBA 모드 2. "hsl( 360)과 같은 HSL 모드 ,50%,50%)"; 3. HSL 모드에 알파 투명도를 추가하는 HSLA 모드.

CSS3의 새로운 색상 모드는 무엇입니까

이 튜토리얼의 운영 환경: Windows 7 시스템, CSS3 버전, Dell G3 컴퓨터.

1. CSS1&2 색상 표현 방식(W3C 표준)

1. 색상명 방식 (색상 키워드를 사용하여 해당 색상을 표현합니다.)

예: red(빨간색), blue( 파란색), 분홍색(핑크)

장점: 특정 색상에 대해 편리하고 빠르고 정확합니다.

단점:

　제한된 색상 수를 나타냅니다.

투명 색상을 지원하지 않습니다.

2. HEX 모드 16진수 모드(16진수를 사용하여 색상 표현)

Syntax: 

#RRGGBB 或 #RGB

값:

　RR: 빨간색 값입니다. 16진수 양의 정수

　GG: 녹색 값입니다. 16진수 양의 정수

　BB: 파란색 값. 16진수 양의 정수

값 범위: 00-FF

예: #FF0000 빨간색 #FFFF00 노란색. #FF0000红色 #FFFF00 黄色。

优点：表示颜色种类多，使用较方便

缺点：

　　16进制单位换算很成问题

　　不支持透明颜色。

　　特定颜色需要工具配合或者一定的颜色调配知识

3、RGB方式 三原色配色方式

语法：

RGB(R,G,B)

取值：

　　R： 红色值。正整数 | 百分数

　　G： 绿色值。正整数 | 百分数

　　B： 蓝色值。正整数 | 百分数

取值范围:0~255或者0%~100%

例如：rgb(255,0,0)红色 rgb(255,255,0)黄色

优点：表示颜色种类多，使用较方便

缺点：

　　不支持透明颜色

　　特定颜色需要工具配合或者一定的颜色调配知识

二、CSS3 新增颜色表示方式

1、RGBA模式

此色彩模式与RGB相同，只是在RGB模式上新增了Alpha透明度。

语法：

RGBA(R,G,B,A)

取值：

　　R： 红色值。正整数 | 百分数

　　G： 绿色值。正整数 | 百分数

　　B： 蓝色值。正整数 | 百分数

　　A： Alpha透明度。取值0~1之间。

例如:rgba(255,0,0,0.5)半透明红色

46d5fe1c7617e3914f214aaf043f4ccf
    body{background:rgba(255,0,0,1)}
    div{width:300px;
        height:300px;
        background:rgba(0,0,255,0.4);
        position:absolute;
        top:0;
        left:0;
    }
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    猜猜我在哪里
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36cc49f0c466276486e50c850b7e4956

2、HSL模式(色轮模式没有透明度)

语法:

HSL(H,S,L)

取值：

　　H： Hue(色调)。–0(或360)表示红色，120表示绿色，240表示蓝色，也可取其他数值来指定颜色。取值为：0 - 360

　　S： Saturation(饱和度)。取值为：0.0% - 100.0%

　　L： Lightness(亮度)。取值为：0.0% - 100.0%

例如:hsl(360,50%,50%) 红色

46d5fe1c7617e3914f214aaf043f4ccf
    body{background:rgba(0,0,255,0.5);}
    div{width:300px;
        height:300px;
        background:hsl(140,50%,50%);
        position:absolute;
        top:0;
        left:0;
    }
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3、HSLA模式(色轮模式有透明度)

语法:

HSLA(H,S,L,A)

取值：

　　H： Hue(色调)。–0(或360)表示红色，120表示绿色，240表示蓝色，也可取其他数值来指定颜色。取值为：0 - 360

　　S： Saturation(饱和度)。取值为：0.0% - 100.0%

　　L： Lightness(亮度)。取值为：0.0% - 100.0%

　　A： Alpha透明度。取值0~1之间。

例如：hsl(360,50%,50%,0.5

장점: 색상 종류가 많아 사용하기 더 편리합니다.

단점:

　16진수 단위 변환이 매우 문제가 됩니다

　투명 색상은 지원하지 않습니다. 특정 색상에는 도구 조정 또는 특정 색상 혼합 지식이 필요합니다

3. RGB 방식 3원색 매칭 방식


Syntax

:

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        body{background:HSL(0,100%,50%)}
        div{width:300px;
            height:300px;
            background:HSLA(230,100%,50%,0);
            position:absolute;
            top:0;
            left:0;
        }
    531ac245ce3e4fe3d50054a55f265927
    9c3bca370b5104690d9ef395f2c5f8d1
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        猜猜我在哪里
        dc6dce4a544fdca2df29d5ac0ea9906b16b28748ea4df4d9c2150843fecfba68
    36cc49f0c466276486e50c850b7e4956

값: 　R: 빨간색 값. 양의 정수 | 백분율

　G: 녹색 값. 양의 정수 | 백분율

　B: 파란색 값. 양의 정수 | 퍼센트

🎜값 범위: 🎜0~255 또는 0%~100%🎜🎜예: rgb(255,0,0)빨간색rgb(255,255,0) 노란색🎜🎜장점: 다양한 색상을 표현하고 사용하기 더 편리합니다🎜🎜단점: 🎜🎜투명 색상을 지원하지 않습니다.🎜🎜 특정 색상은 도구 조정이나 특정 색상 혼합 지식이 필요합니다🎜🎜🎜🎜 2 . CSS3 표현의 새로운 색상 🎜🎜🎜🎜🎜🎜 1. RGBA 모드 🎜🎜🎜🎜 이 색상 모드는 RGB 모드에 알파 투명도가 추가된다는 점을 제외하면 RGB와 동일합니다. 🎜🎜구문: ​​🎜
46d5fe1c7617e3914f214aaf043f4ccf
    body{background:hsl(270,100%,50%)}
    p{
        font-size:50px;
        font-family:"黑体";
        /*浏览器私有属性*/
        -webkit-text-fill-color:transparent;/*设置文本透明*/
        /*使用rgba(0,0,0,0);也可以实现全透明模式*/
        -webkit-text-stroke:2px yellow;/*将文本设置透明，再设置个边框后就实现镂空字了*/
        /*W3C标准属性*/
        /*text-fill-color:transparent;*/
        /*text-stroke:2px yellow;*/
    
    }
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    e388a4556c0f65e1904146cc1a846bee2012年过去了，最忙的是元芳，你怎么看？94b3e26ee717c64999d7867364b1b4a3
36cc49f0c466276486e50c850b7e4956
🎜🎜값: 🎜🎜🎜　R: 빨간색 값. 양의 정수 | 백분율 🎜🎜　G: 녹색 값. 양의 정수 | 백분율 🎜🎜　B: 파란색 값. 양의 정수 | 백분율 🎜🎜　A: 알파 투명도. 값은 0~1 사이입니다. 🎜🎜예: rgba(255,0,0,0.5) 반투명 빨간색🎜
c9ccee2e6ea535a969eb3f532ad9fe89
    body{background:red}
    div{background:blue;
        width:300px;
        height:300px;
        opacity:0.5;
        position:absolute;
        top:0;
        left:0
    }
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    看到我你就成功了
    dc6dce4a544fdca2df29d5ac0ea9906b16b28748ea4df4d9c2150843fecfba68
36cc49f0c466276486e50c850b7e4956
🎜🎜🎜2, HSL 모드🎜🎜(컬러 휠 모드에는 투명도가 없음)🎜🎜구문:🎜
background-image: -ms-linear-gradient(top, #D35644 0%, #31264D 100%) !important;/* Mozilla Firefox */ 
     background-image: -moz-linear-gradient(top, #D35644 0%, #31264D 100%) !important;/* Opera */ 
     background-image: -o-linear-gradient(top, #D35644 0%, #31264D 100%) !important;/* Webkit (Safari/Chrome 10) */ 
     background-image: -webkit-gradient(linear, left bottom, left top, color-stop(0, #D35644), color-stop(1, #31264D)) !important;/* Webkit (Chrome 11+) */ 
     background-image: -webkit-linear-gradient(top, #D35644 0%, #31264D 100%) !important;/* W3C Markup, IE10 Release Preview */ 
     background-image: linear-gradient(to bottom, #D35644 0%, #31264D 100%) !important; }
🎜 값 가져오기: 🎜🎜　 H: Hue(색조). -0(또는 360)은 빨간색을 나타내고, 120은 녹색을 나타내고, 240은 파란색을 나타내며, 다른 값을 사용하여 색상을 지정할 수도 있습니다. 값은 0 - 360🎜🎜　 S: 채도입니다. 값은: 0.0% - 100.0%🎜🎜　 L: 밝기(밝기)입니다. 값은 0.0% - 100.0%🎜🎜예: hsl(360,50%,50%) Red🎜🎜🎜
c9ccee2e6ea535a969eb3f532ad9fe89
    div{height:30px}
    div:nth-child(1){background:HSLA(120,100%,50%,0.1)}
    div:nth-child(2){background:HSLA(120,100%,50%,0.2)}
    div:nth-child(3){background:HSLA(120,100%,50%,0.3)}
    div:nth-child(4){background:HSLA(120,100%,50%,0.4)}
    div:nth-child(5){background:HSLA(120,100%,50%,0.5)}
    div:nth-child(6){background:HSLA(120,100%,50%,0.6)}
    div:nth-child(7){background:HSLA(120,100%,50%,0.7)}
    div:nth-child(8){background:HSLA(120,100%,50%,0.8)}
    div:nth-child(9){background:HSLA(120,100%,50%,0.9)}
    div:nth-child(10){background:HSLA(120,100%,50%,1.0)}
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36cc49f0c466276486e50c850b7e4956
🎜🎜🎜3.HSLA 모드🎜🎜(컬러 휠 모드에는 투명도가 있음)🎜 🎜 구문: 🎜
c9ccee2e6ea535a969eb3f532ad9fe89
            div{height:30px}
            div:nth-child(1){background:HSLA(120,100%,50%,1)}
            div:nth-child(2){background:HSLA(120,90%,50%,1)}
            div:nth-child(3){background:HSLA(120,80%,50%,1)}
            div:nth-child(4){background:HSLA(120,70%,50%,1)}
            div:nth-child(5){background:HSLA(120,60%,50%,1)}
            div:nth-child(6){background:HSLA(120,50%,50%,1)}
            div:nth-child(7){background:HSLA(120,40%,50%,1)}
            div:nth-child(8){background:HSLA(120,30%,50%,1)}
            div:nth-child(9){background:HSLA(120,20%,50%,1)}
            div:nth-child(10){background:HSLA(120,10%,50%,1)}
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        dc6dce4a544fdca2df29d5ac0ea9906b16b28748ea4df4d9c2150843fecfba68
        dc6dce4a544fdca2df29d5ac0ea9906b16b28748ea4df4d9c2150843fecfba68
        dc6dce4a544fdca2df29d5ac0ea9906b16b28748ea4df4d9c2150843fecfba68
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🎜값: 🎜🎜　 H: Hue(색조). -0(또는 360)은 빨간색을 나타내고, 120은 녹색을 나타내고, 240은 파란색을 나타내며, 다른 값을 사용하여 색상을 지정할 수도 있습니다. 값은 0 - 360🎜🎜　 S: 채도입니다. 값은: 0.0% - 100.0%🎜🎜　 L: 밝기(밝기)입니다. 값은 0.0% - 100.0%🎜🎜　A: 알파 투명도입니다. 값은 0~1 사이입니다. 🎜🎜예: hsl(360,50%,50%,0.5) red🎜
c9ccee2e6ea535a969eb3f532ad9fe89
    div{height:30px}
    div:nth-child(1){background:HSLA(120,100%,100%,1)}
    div:nth-child(2){background:HSLA(120,100%,90%,1)}
    div:nth-child(3){background:HSLA(120,100%,80%,1)}
    div:nth-child(4){background:HSLA(120,100%,70%,1)}
    div:nth-child(5){background:HSLA(120,100%,60%,1)}
    div:nth-child(6){background:HSLA(120,100%,50%,1)}
    div:nth-child(7){background:HSLA(120,100%,40%,1)}
    div:nth-child(8){background:HSLA(120,100%,30%,1)}
    div:nth-child(9){background:HSLA(120,100%,20%,1)}
    div:nth-child(10){background:HSLA(120,100%,10%,1)}
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🎜 (학습 동영상 공유: 🎜css 동영상 튜토리얼🎜)🎜🎜🎜🎜3. 기타 속성🎜🎜🎜 🎜 🎜🎜1. transparent🎜🎜🎜🎜 투명한 색상을 나타내는 특수 색상 값입니다. 색상으로 직접 사용할 수 있습니다. 🎜🎜예: color:transparent 글꼴 색상을 transparent🎜
c9ccee2e6ea535a969eb3f532ad9fe89
#div1 { width:200px; height:200px; border:1px solid #333;
background:-moz-linear-gradient(top, red, yellow);
background:-webkit-linear-gradient(top, red, yellow);
background:-ms-linear-gradient(top, red, yellow);
background:linear-gradient(top, red, yellow);
-ms-filter:"progid:DXImageTransform.Microsoft.gradient (GradientType=0, startColorstr=red, endColorstr=yellow)";
+background:#f9f9f9;/*兼容IE9,8,7*/
}
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🎜2로 설정하고, 🎜Opacity🎜🎜attribute🎜🎜🎜기능: 요소의 투명도를 설정합니다. 🎜🎜값: 0~1🎜 사이

注意：对于尚不支持opacity属性的IE浏览器

滤镜：filter:alpha(opacity=50) 仅限IE

c9ccee2e6ea535a969eb3f532ad9fe89
    body{background:red}
    div{background:blue;
        width:300px;
        height:300px;
        opacity:0.5;
        position:absolute;
        top:0;
        left:0
    }
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6c04bd5ca3fcae76e30b72ad730ca86d
    看到我你就成功了
    dc6dce4a544fdca2df29d5ac0ea9906b16b28748ea4df4d9c2150843fecfba68
36cc49f0c466276486e50c850b7e4956

四、CSS3 颜色使用实例

background-image: -ms-linear-gradient(top, #D35644 0%, #31264D 100%) !important;/* Mozilla Firefox */ 
     background-image: -moz-linear-gradient(top, #D35644 0%, #31264D 100%) !important;/* Opera */ 
     background-image: -o-linear-gradient(top, #D35644 0%, #31264D 100%) !important;/* Webkit (Safari/Chrome 10) */ 
     background-image: -webkit-gradient(linear, left bottom, left top, color-stop(0, #D35644), color-stop(1, #31264D)) !important;/* Webkit (Chrome 11+) */ 
     background-image: -webkit-linear-gradient(top, #D35644 0%, #31264D 100%) !important;/* W3C Markup, IE10 Release Preview */ 
     background-image: linear-gradient(to bottom, #D35644 0%, #31264D 100%) !important; }

1、模拟渐变效果

使用透明度来模拟渐变

c9ccee2e6ea535a969eb3f532ad9fe89
    div{height:30px}
    div:nth-child(1){background:HSLA(120,100%,50%,0.1)}
    div:nth-child(2){background:HSLA(120,100%,50%,0.2)}
    div:nth-child(3){background:HSLA(120,100%,50%,0.3)}
    div:nth-child(4){background:HSLA(120,100%,50%,0.4)}
    div:nth-child(5){background:HSLA(120,100%,50%,0.5)}
    div:nth-child(6){background:HSLA(120,100%,50%,0.6)}
    div:nth-child(7){background:HSLA(120,100%,50%,0.7)}
    div:nth-child(8){background:HSLA(120,100%,50%,0.8)}
    div:nth-child(9){background:HSLA(120,100%,50%,0.9)}
    div:nth-child(10){background:HSLA(120,100%,50%,1.0)}
531ac245ce3e4fe3d50054a55f265927
9c3bca370b5104690d9ef395f2c5f8d1
6c04bd5ca3fcae76e30b72ad730ca86d
    dc6dce4a544fdca2df29d5ac0ea9906b16b28748ea4df4d9c2150843fecfba68
    dc6dce4a544fdca2df29d5ac0ea9906b16b28748ea4df4d9c2150843fecfba68
    dc6dce4a544fdca2df29d5ac0ea9906b16b28748ea4df4d9c2150843fecfba68
    dc6dce4a544fdca2df29d5ac0ea9906b16b28748ea4df4d9c2150843fecfba68
    dc6dce4a544fdca2df29d5ac0ea9906b16b28748ea4df4d9c2150843fecfba68
    dc6dce4a544fdca2df29d5ac0ea9906b16b28748ea4df4d9c2150843fecfba68
    dc6dce4a544fdca2df29d5ac0ea9906b16b28748ea4df4d9c2150843fecfba68
    dc6dce4a544fdca2df29d5ac0ea9906b16b28748ea4df4d9c2150843fecfba68
    dc6dce4a544fdca2df29d5ac0ea9906b16b28748ea4df4d9c2150843fecfba68
    dc6dce4a544fdca2df29d5ac0ea9906b16b28748ea4df4d9c2150843fecfba68
36cc49f0c466276486e50c850b7e4956

使用饱和度模拟渐变

c9ccee2e6ea535a969eb3f532ad9fe89
            div{height:30px}
            div:nth-child(1){background:HSLA(120,100%,50%,1)}
            div:nth-child(2){background:HSLA(120,90%,50%,1)}
            div:nth-child(3){background:HSLA(120,80%,50%,1)}
            div:nth-child(4){background:HSLA(120,70%,50%,1)}
            div:nth-child(5){background:HSLA(120,60%,50%,1)}
            div:nth-child(6){background:HSLA(120,50%,50%,1)}
            div:nth-child(7){background:HSLA(120,40%,50%,1)}
            div:nth-child(8){background:HSLA(120,30%,50%,1)}
            div:nth-child(9){background:HSLA(120,20%,50%,1)}
            div:nth-child(10){background:HSLA(120,10%,50%,1)}
        531ac245ce3e4fe3d50054a55f265927
    9c3bca370b5104690d9ef395f2c5f8d1
    6c04bd5ca3fcae76e30b72ad730ca86d
        dc6dce4a544fdca2df29d5ac0ea9906b16b28748ea4df4d9c2150843fecfba68
        dc6dce4a544fdca2df29d5ac0ea9906b16b28748ea4df4d9c2150843fecfba68
        dc6dce4a544fdca2df29d5ac0ea9906b16b28748ea4df4d9c2150843fecfba68
        dc6dce4a544fdca2df29d5ac0ea9906b16b28748ea4df4d9c2150843fecfba68
        dc6dce4a544fdca2df29d5ac0ea9906b16b28748ea4df4d9c2150843fecfba68
        dc6dce4a544fdca2df29d5ac0ea9906b16b28748ea4df4d9c2150843fecfba68
        dc6dce4a544fdca2df29d5ac0ea9906b16b28748ea4df4d9c2150843fecfba68
        dc6dce4a544fdca2df29d5ac0ea9906b16b28748ea4df4d9c2150843fecfba68
        dc6dce4a544fdca2df29d5ac0ea9906b16b28748ea4df4d9c2150843fecfba68
        dc6dce4a544fdca2df29d5ac0ea9906b16b28748ea4df4d9c2150843fecfba68
    36cc49f0c466276486e50c850b7e4956
73a6ac4ed44ffec12cee46588e518a5e

使用亮度来实现模拟渐变

c9ccee2e6ea535a969eb3f532ad9fe89
    div{height:30px}
    div:nth-child(1){background:HSLA(120,100%,100%,1)}
    div:nth-child(2){background:HSLA(120,100%,90%,1)}
    div:nth-child(3){background:HSLA(120,100%,80%,1)}
    div:nth-child(4){background:HSLA(120,100%,70%,1)}
    div:nth-child(5){background:HSLA(120,100%,60%,1)}
    div:nth-child(6){background:HSLA(120,100%,50%,1)}
    div:nth-child(7){background:HSLA(120,100%,40%,1)}
    div:nth-child(8){background:HSLA(120,100%,30%,1)}
    div:nth-child(9){background:HSLA(120,100%,20%,1)}
    div:nth-child(10){background:HSLA(120,100%,10%,1)}
531ac245ce3e4fe3d50054a55f265927
9c3bca370b5104690d9ef395f2c5f8d1
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    dc6dce4a544fdca2df29d5ac0ea9906b16b28748ea4df4d9c2150843fecfba68
    dc6dce4a544fdca2df29d5ac0ea9906b16b28748ea4df4d9c2150843fecfba68
    dc6dce4a544fdca2df29d5ac0ea9906b16b28748ea4df4d9c2150843fecfba68
    dc6dce4a544fdca2df29d5ac0ea9906b16b28748ea4df4d9c2150843fecfba68
    dc6dce4a544fdca2df29d5ac0ea9906b16b28748ea4df4d9c2150843fecfba68
    dc6dce4a544fdca2df29d5ac0ea9906b16b28748ea4df4d9c2150843fecfba68
    dc6dce4a544fdca2df29d5ac0ea9906b16b28748ea4df4d9c2150843fecfba68
    dc6dce4a544fdca2df29d5ac0ea9906b16b28748ea4df4d9c2150843fecfba68
    dc6dce4a544fdca2df29d5ac0ea9906b16b28748ea4df4d9c2150843fecfba68
    dc6dce4a544fdca2df29d5ac0ea9906b16b28748ea4df4d9c2150843fecfba68
36cc49f0c466276486e50c850b7e4956

 使用背景颜色：

c9ccee2e6ea535a969eb3f532ad9fe89
#div1 { width:200px; height:200px; border:1px solid #333;
background:-moz-linear-gradient(top, red, yellow);
background:-webkit-linear-gradient(top, red, yellow);
background:-ms-linear-gradient(top, red, yellow);
background:linear-gradient(top, red, yellow);
-ms-filter:"progid:DXImageTransform.Microsoft.gradient (GradientType=0, startColorstr=red, endColorstr=yellow)";
+background:#f9f9f9;/*兼容IE9,8,7*/
}
531ac245ce3e4fe3d50054a55f265927

9c3bca370b5104690d9ef395f2c5f8d1

6c04bd5ca3fcae76e30b72ad730ca86d

64cb571ed5952d9b43da1f2d70a36e9116b28748ea4df4d9c2150843fecfba68

36cc49f0c466276486e50c850b7e4956

更多编程相关知识，请访问：编程视频！！

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