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HTML color

The color is a mixture of red, green and blue.

Color Values

Colors are defined by a hexadecimal notation consisting of red, green and blue values ??( RGB).

The minimum value for each color is 0 (hex: #00). The maximum value is 255 (hex: #FF).

For some of the most commonly used colors (such as white, black, red, blue, green and yellow, etc.), you can also use their English names

This table gives the three The specific effect of mixing two colors:


# #0000FF rgb(0,0,255)
ColorColor Color HEXColor RGB

 #000000 rgb(0,0,0)

 #FF0000 rgb(255,0,0)

00FF00 rgb(0,255,0)


? ??#FFFF00? ??rgb(255,255,0)

? ??#00FFFF? ??rgb(0,255,255)

? ??#FF00FF? ??rgb(255,0,255)

? ??#C0C0C0? ??rgb(192,192,192)

? ??#FFFFFF? ??rgb(255,255,255)

Example

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>php中文網(wǎng)(php.cn)</title>
</head>
<body>
<p style="background-color:#403bff">
    通過十六進制設(shè)置背景顏色
</p>
<p style="background-color:rgb(255,255,0)">
    通過 rbg 值設(shè)置背景顏色
</p>
<p style="background-color:red">
    通過顏色名設(shè)置背景顏色
</p>
</body>
</html>

Program running result:

1.jpg

16 million different colors

The combination of three colors red, green and blue ranges from 0 to 255, a total of 16 million different colors (256 x 256 x 256).

In the color table below you will see different results, from 0 to 255 red (part), while setting the green and blue values ????to 0, as the red value changes, different Values ??are shown in different colors.


? ? ?Red Light? ? ?Color HEX? ? ?Color RGB

? ? #000000?? ??rgb(0,0,0)

? ??#100000? ??rgb(16,0,0)

? ??#200000? ??rgb(32,0,0)

? ??#300000? ??rgb(48,0,0)

? ??#400000? ??rgb(64,0,0)

? ??#500000? ??rgb(80,0,0)

? ??#600000? ??rgb(96,0,0)

? ??#700000? ??rgb(112,0,0)

? ??#800000? ??rgb(128,0,0)

? ??#900000? ??rgb(144,0,0)

? ??#A00000? ??rgb(160,0,0)

? ??#B00000? ??rgb(176,0,0)

? ??#C00000? ??rgb(192,0,0)

? ??#D80000? ??rgb(216,0,0)

? ??#E80000? ??rgb(232,0,0)

? ??#F00000? ??rgb(240,0,0)

? ??#F80000? ??rgb(248,0,0)

? ??#FF0000? ??rgb(255,0,0)

Gray tones

The following shows a gray to black gradient (part)


? ? ?Gray Shades? ? ?Color HEX? ? ?Color RGB
? ??? ? #000000?? ??rgb(0,0,0)?

? ??#080808?? ??rgb(8,8,8)?

? ??#181818?? ??rgb(24,24,24)?

? ??#202020?? ??rgb(32,32,32)?

? ??#303030?? ??rgb(48,48,48)?

? ??#404040?? ??rgb(64,64,64)?

? ??#484848?? ??rgb(72,72,72)?

? ??#585858?? ??rgb(88,88,88)?

? ??#686868?? ??rgb(104,104,104)?

? ??#787878?? ??rgb(120,120,120)?

? ??#808080?? ??rgb(128,128,128)?

? ??#909090?? ??rgb(144,144,144)?

? ??#A0A0A0?? ??rgb(160,160,160)?

? ??#B0B0B0?? ??rgb(176,176,176)?

? ??#C8C8C8?? ??rgb(200,200,200)?

? ??#D8D8D8?? ??rgb(216,216,216)?

? ??#F0F0F0?? ??rgb(240,240,240)?

? ??#F8F8F8?? ??rgb(248,248,248)?

? ??#FFFFFF? ??rgb(255,255,255)?

Web-safe colors?

A few years ago, when most computers supported only 256 colors, a series of 216 Web-safe colors Color is recommended as a Web standard. The reason for this is that Microsoft and Mac operating systems use 40 different reserved fixed system colors (approximately 20 each).

We're not sure how meaningful this is nowadays, as more and more computers are capable of processing millions of colors, but the choice is yours.

Initially, 216 cross-platform web-safe colors were used to ensure that all computers could display all colors correctly when using a 256-color palette.

8.jpg

##HTML color name and color value

Color by red Composed of (R), green (G), and blue (B).

141 color names are defined in the HTML and CSS color specifications (17 standard colors, plus 124 more).

Color values ??are expressed in hexadecimal as red, green, and blue (RGB).

The lowest value of each color is 0 (00 in hex) and the highest value is 255 (FF in hex).

The hexadecimal value is written as a # followed by three or six hexadecimal characters.

Three-digit representation is: #RGB, converted to 6-digit representation: #RRGGBB.

Tips: 17 standard colors: black, blue, aqua, fuchsia, gray, green, lime, maroon, navy, olive, orange, purple, red, white, silver, Blue-green, yellow.

The following table lists the values ??of some colors, including hexadecimal values.

## Black #000000 Navy #000080# DarkBlue ## MediumBlue #0000CD
Color name Hexadecimal color value Color


#00008B

? ??Blue?? ??#0000FF
? ??DarkGreen?? ??#006400
? ??Green?? ??#008000
? ??Teal?? ??#008080
? ??DarkCyan?? ??#008B8B
? ??DeepSkyBlue?? ??#00BFFF
? ??DarkTurquoise?? ??#00CED1
? ??MediumSpringGreen?? ??#00FA9A
? ??Lime?? ??#00FF00
? ??SpringGreen?? ??#00FF7F
? ??Aqua?? ??#00FFFF
? ??Cyan?? ??#00FFFF
? ??MidnightBlue?? ??#191970
? ??DodgerBlue?? ??#1E90FF
? ??LightSeaGreen?? ??#20B2AA
? ??ForestGreen?? ??#228B22
? ??SeaGreen?? ??#2E8B57
? ??DarkSlateGray?? ??#2F4F4F
? ??LimeGreen?? ??#32CD32
? ??MediumSeaGreen? ??#3CB371
? ??Turquoise?? ??#40E0D0
? ??RoyalBlue?? ??#4169E1
? ??SteelBlue?? ??#4682B4
? ??DarkSlateBlue?? ??#483D8B
? ??MediumTurquoise?? ??#48D1CC
? ??Indigo??? ??#4B0082
? ??DarkOliveGreen?? ??#556B2F
? ??CadetBlue?? ??#5F9EA0
? ??CornflowerBlue?? ??#6495ED
? ??MediumAquaMarine? ??#66CDAA
? ??DimGray?? ??#696969
? ??SlateBlue?? ??#6A5ACD
? ??OliveDrab?? ??#6B8E23
? ??SlateGray? ??#708090
? ??LightSlateGray?? ??#778899
MediumSlateBlue?? ??#7B68EE
? ??LawnGreen?? ??#7CFC00
? ??Chartreuse?? ??#7FFF00
? ?Aquamarine?? ??#7FFFD4
? ??Maroon?? ??#800000


Continuing Learning
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<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>php中文網(wǎng)(php.cn)</title> </head> <body> <p style="background-color:#403bff"> 通過十六進制設(shè)置背景顏色 </p> <p style="background-color:rgb(255,255,0)"> 通過 rbg 值設(shè)置背景顏色 </p> <p style="background-color:red"> 通過顏色名設(shè)置背景顏色 </p> </body> </html>
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