ã«ã¹ã±ã¼ã夿°ã®ããã® CSS ã«ã¹ã¿ã ããããã£ã¢ã¸ã¥ã¼ã«ã¯ãCSS ããããã£ã«ã«ã¹ã±ã¼ã夿°ã®å¯¾å¿ã追å ããã«ã¹ã¿ã 夿°ãå®ç¾©ããããã®ã«ã¹ã¿ã ããããã£ã使ããã«ã¹ã¿ã ããããã£ãä»ã«ã CSS ããããã£ã®å¤ã¨ãã¦ä½¿ç¨ãããã¨ãã§ãã¾ãã
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ããã«ã©ã¼ã¹ãã¼ã ã®ããã®è²ã®çµã¿åãããªã©ãèªåã®ããã¸ã§ã¯ãåºæã®å
±éã®å¤ãåå©ç¨ãããã¨ãå¤ããªãã¾ãã ã¹ã¿ã¤ã«ã·ã¼ãã§ç¹°ãè¿ãã管çããæ¹æ³ã® 1 ã¤ã¯ãå¤ãä¸åº¦å®ç¾©ããä»ã®å ´æã§ä½åº¦ã使ç¨ãããã¨ã§ãã ã«ã¹ã¿ã ããããã£ã使ãã°ãåå©ç¨å¯è½ãªã«ã¹ã¿ã 夿°ã使ã»å®ç¾©ãããã¨ãã§ããè¤éãªã«ã¼ã«ãç¹°ãè¿ãã®å¤ãã«ã¼ã«ãåç´åããèªã¿ãããä¿å®ãããããããã¨ãã§ãã¾ãã ä¾ãã°ã --dark-grey-text
ã --dark-background
ã¯ã #323831
ã®ãã㪠16 鲿°ã®è²ãããçè§£ããããã使ç¨ããæèãããæç½ã§ãã
ã«ã¹ã¿ã ããããã£ãã©ã®ããã«ä½¿ç¨ãããã¨ãã§ãããã確èªããã«ã¯ãå ¥åã¹ã©ã¤ãã¼ãå·¦ããå³ã«ç§»åãã¦ã¿ã¦ãã ããã
<div class="container">
<div id="color-1">--hue</div>
<div id="color-2">--hue + 10</div>
<div id="color-3">--hue + 20</div>
<div id="color-4">--hue + 30</div>
<div id="color-5">--hue + 40</div>
<div id="color-6">--hue + 50</div>
<div id="color-7">--hue + 60</div>
<div id="color-8">--hue + 70</div>
</div>
<input type="range" min="0" max="360" value="0" step="0.1" id="hue" />
const hue = document.querySelector("#hue");
const updateHue = () => {
document.documentElement.style.setProperty("--hue", hue.value);
};
hue.addEventListener("input", updateHue);
.container {
display: grid;
font-family: sans-serif;
color: white;
gap: 0.5rem;
grid-template-columns: repeat(4, 1fr);
margin-bottom: 1rem;
}
.container div {
border-radius: 0.5rem;
padding: 1rem;
}
input {
width: 100%;
margin: 0;
}
:root {
--hue: 0;
}
#color-1 {
background-color: hsl(var(--hue) 50% 50%);
}
#color-2 {
background-color: hsl(calc(var(--hue) + 10) 50% 50%);
}
#color-3 {
background-color: hsl(calc(var(--hue) + 20) 50% 50%);
}
#color-4 {
background-color: hsl(calc(var(--hue) + 30) 50% 50%);
}
#color-5 {
background-color: hsl(calc(var(--hue) + 40) 50% 50%);
}
#color-6 {
background-color: hsl(calc(var(--hue) + 50) 50% 50%);
}
#color-7 {
background-color: hsl(calc(var(--hue) + 60) 50% 50%);
}
#color-8 {
background-color: hsl(calc(var(--hue) + 70) 50% 50%);
}
ãããã®è²è¦æ¬ã§ã¯ã background-color
㯠hsl()
ã® <color>
颿°ã使ç¨ãã¦ã hsl(var(--hue) 50% 50%)
ã®ããã«è¨å®ãã¾ãã calc(var(--hue) + 10)
, calc(var(--hue) + 20)
ãªã©ã®ããã«ãè²ç¸ (<hue>
) ã®å¤ã 10 度ãã¤å¢å ãã¾ãã ã¹ã©ã¤ãã¼ã®å¤ã 0 ãã 360 ã¾ã§å¤åããã¨ã --hue
ã«ã¹ã¿ã ãããã㣠ã®å¤ã calc()
ã使ç¨ãã¦æ´æ°ãããã°ãªããå
ã®åããã¯ã¹ã®èæ¯è²ãæ´æ°ããã¾ãã
CSS ã JavaScript ã§ã«ã¹ã¿ã ããããã£ã使ç¨ããæ¹æ³ããæªå®ç¾©å¤ã䏿£ãªå¤ã®å¦çã代æ¿å¤ãç¶æ¿ãªã©ã®ãã³ãã交ãã¦è§£èª¬ãã¾ãã
ã«ã¹ã¿ã ããããã£ã®å¤ããã®ããããã£ã«ã¨ã£ã¦ä¸æ£ãªãã¼ã¿åã§ãã£ãå ´åã«ããã©ã¦ã¶ã¼ãããããã£å¤ãå¦çããæ¹æ³ã«ã¤ãã¦èª¬æãã¾ãã
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