My Table has various TDs with different background colors, such as yellow, red, green, etc., but these colors are not known beforehand.
I am looking to overlay a semi-transparent gray layer on certain TDs so that...
The TD with a yellow background will turn into dark yellow.
The TD with a red background will turn into dark red...
while keeping the text inside the TD unchanged (black).
Is there a way to achieve this?
If you want to create a darker background effect, try using the inset box-shadow property:
.highlightedSection{
box-shadow:inset 0 0 0 500px rgba(0,0,0,0.5);
}
div {
background: yellow;
padding: 20px;
color: white;
box-shadow: inset 0 0 0 100px rgba(0, 0, 0, 0.5);
}<div>This will have a darker background due to the inset box-shadow</div>If you're looking to enhance your background-color, I suggest incorporating a linear gradient as a filtering effect:
.filtered {
background-image: linear-gradient(to right, rgba(0, 0, 0, 0.2) 0, rgba(0, 0, 0, 0.2) 100%);
}<div style="background-color: red">
lorem ipsum
</div>
<div style="background-color: orange">
lorem ipsum
</div>
<div style="background-color: yellow">
lorem ipsum
</div>
<div style="background-color: green">
lorem ipsum
</div>
<div style="background-color: blue">
lorem ipsum
</div>
<div style="background-color: purple">
lorem ipsum
</div>
<br>
<div class="filtered" style="background-color: red">
lorem ipsum
</div>
<div class="filtered" style="background-color: orange">
lorem ipsum
</div>
<div class="filtered" style="background-color: yellow">
lorem ipsum
</div>
<div class="filtered" style="background-color: green">
lorem ipsum
</div>
<div class="filtered" style="background-color: blue">
lorem ipsum
</div>
<div class="filtered" style="background-color: purple">
lorem ipsum
</div>Alternatively, consider utilizing the filter rule in CSS, although be aware it may impact both foreground and background elements.
Instead of resorting to an inset box-shadow, consider applying a FILTER to modify the color in a more sophisticated manner.
To learn more about how filters work, check out this helpful tutorial: https://css-tricks.com/almanac/properties/f/filter/
In your specific situation, you can utilize the brightness filter to adjust each color individually. Alternatively, you could implement a JavaScript function for dynamic color changes if desired.
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