currentColor with opacity

Viewed 11858

Is there a method in which I can change the opacity of a border which is being set to inherit it's color from currentColor? i.e. inherit currentColor in #inner2 and set it's opacity to 0.25.

Searching for a pure css solution please.

For example, something which resembles the following:

#outer{
  color: rgba(255,0,0,1);
}

.inner{
  display: block;
  width: 100%;
  height: 10px;
  margin-bottom: 5px;
  border: 2px solid currentColor;
}

#inner2{
  /* This is where I want to inherit current color */
  /* ... but still set it to 0.25 opacity */
  border-color: rgba(255,0,0,0.25);
}
<div id='outer'>
  <div id='inner1' class='inner'></div>
  <div id='inner2' class='inner'></div>
</div>

3 Answers

Check this out:

:root {
  --color-r: 0;
  --color-g: 0;
  --color-b: 0;
  --color-a: 1;
}

[class*=-color] {
  color: rgba(var(--color-r), var(--color-g), var(--color-b), var(--color-a));
}

[class*=-background] {
  --background-r: var(--color-r);
  --background-g: var(--color-g);
  --background-b: var(--color-b);
  --background-color-a: var(--color-a);
  background-color: rgba(var(--color-r), var(--color-g), var(--color-b), var(--color-a));
}

[class*=dark] {
  --color-r: 0;
  --color-g: 0;
  --color-b: 0;
}

[class*=light] {
  --color-r: 255;
  --color-g: 255;
  --color-b: 255;
}

[class*=primary] {
  --color-r: 200;
  --color-g: 2;
  --color-b: 33;
}

[class*=secondary] {
  --color-r: 102;
  --color-g: 102;
  --color-b: 102;
}

[class*="--alpha-0"], [class*="--alpha-00"] {
  --color-a: 0;
}

[class*="--alpha-10"] {
  --color-a: .1;
}

[class*="--alpha-20"] {
  --color-a: .2;
}

[class*="--alpha-30"] {
  --color-a: .3;
}

[class*="--alpha-40"] {
  --color-a: .4;
}

[class*="--alpha-50"] {
  --color-a: .5;
}

[class*="--alpha-60"] {
  --color-a: .6;
}

[class*="--alpha-70"] {
  --color-a: .7;
}

[class*="--alpha-80"] {
  --color-a: .8;
}

[class*="--alpha-90"] {
  --color-a: .9;
}

[class*="--alpha-100"] {
  --color-a: 1;
}
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