Using CSS Text-Shadow to Create Embossed Text

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The text-shadow property creates a shadow underneath text, which is obvious from the name! It’s similar in syntax and functionality to box-shadow, but it follows the shapes of individual letters, rather than rendering around an element’s bounding box.Here’s an example of the general syntax that defines an x-offset, y-offset, blur-radius, and color:

text-shadow:3px 3px 1px #999;
… And its corresponding image:This text has a shadow!Now I don’t know about you, but there’s no situation where I’d ever want my text to look like that! I’ve never worked on a design where this type of effect was called for, and I don’t think it looks very nice. It’s cheesy — like what you’d find in a spam email, or on a Geocities site.

A Touch of Class

However text-shadow is very useful for a certain task, and this seems to be almost exclusively what it’s used for in the wild — creating embossed text like this:

This text has a shadow too!

It has this shadow property:
text-shadow:0 -1px 1px rgba(0,0,0,0.5);
Done carefully and not too brazenly, the effect can be attractive; it gives functional text like buttons and captions an extra touch of class.You can see a few examples of it on this page:
  • orange buttons, such as the “Search” button in the search form at the top, or the “Subscribe” button for newsletter signups in the right-hand column
  • the navy-headed boxes, like the newsletter signups box we just mentioned saying “Get Expert Tips In Your Inbox”, or the categories tabs near the top
So how does it work?

Light and Shade

Shadow and depth effects are created by simulating light and shade, so it follows that we have two basic ways of applying text-shadow to create an embossed effect:
  • a positive white shadow that creates the impression of light at the bottom of the letters, essentially:
    text-shadow:1px 1px 0 white;
  • a negative black shadow that creates the impression of shade at the top of the letters:
    text-shadow:-1px -1px 0 black;
But the issue that arises is that it can be quite difficult to find the right balance of shades, in terms of how much of which to apply in order to achieve a realistic result. Too subtle and it’s almost invisible to the naked eye; too obvious and it starts to look like a drop-shadow. And unfortunately one of the hardest effects to get right is dark text on a light background, especially since the text-shadow is rendered outside the font, rather than on top of it.

Tips and Tricks

So what can we do to make the effect more realistic — so that it looks more like embossing or engraving — and less like a big, ugly drop-shadow? Here are my tips:First and foremost, use RGBA color values, so that the effect has partial opacity. This makes it blend better with the background, and gives you more control over the intensity of the effect. (Although RGBA colors lack support in IE, it’s academic since it doesn’t support this property anyway.)Don’t offset the shadow in both x and y
directions as it’s visually too much. It looks better if you only offset in the y direction, as though the light were directly above.Then use different shadows according to the color combinations you’re working with:
  • For light text on a colored (but not very dark) background, use a dark negative shadow with opacity from 0.25 upwards (the higher the value, the more pronounced the effect). Here I’ve also softened the effect slightly with a 1px blur-radius:
    #light-on-color{    background:#f60;    color:#fff;    text-shadow:0 -1px 1px rgba(0,0,0,0.5);}
  • For colored text on a light (but not white) background, use a light positive shadow with fairly high opacity:
    #color-on-light{    background:#eea;    color:#229;    text-shadow:0 1px 0 rgba(255,255,255,0.75);}
  • Other combinations are more tricky: a dark shadow will be ineffective against a very dark background or with very dark text, and the same for a light shadow with a light background or text. But after a whole bunch of experiments, I reckon the best effect is achieved with a subtle combination of both light and dark shadows. Add a low opacity on the dark shadow, high opacity on the light shadow, and a slight bias toward the background shade (so for dark text on a light background, use a bit more light shadow and a bit less dark; and vice versa). Similar to this:
    #dark-on-light{    background:#eee;    color:#223;    text-shadow:0 -1px 0 rgba(0,0,0,0.15),                0 1px 0 rgba(255,255,255,0.8)}#light-on-dark{    background:#223;    color:#eee;    text-shadow:0 -1px 0 rgba(0,0,0,0.3),                0 1px 0 rgba(255,255,255,0.4)}
    The further away from either extreme you can go (that is, towards a darker shade of a light color, or a lighter shade of a dark color), the better the final effect should be.
Those last examples are far from perfect, and the effect is only marginally pronounced (which is how we stop it from looking too much like a drop-shadow). But I think they make the best of awkward color combinations, and so all factors considered, they look okay.I put together a demo page with all four of these examples, and in my opinion they’re in order of how good they look.

Your Ideas?

I’d love to hear your thoughts for better ways to achieve this effect, particularly with those difficult color combinations. Or perhaps you have an entirely different task that the text-shadow property is good for?Thumbnail credit: daveknapik

Frequently Asked Questions about CSS Text Shadow and Embossed Text

How can I create a more pronounced embossed effect using CSS text-shadow?

To create a more pronounced embossed effect, you can increase the blur radius and offset of the text-shadow property. The blur radius determines the amount of blur, and the offset determines the distance and direction of the shadow from the text. For example, you can use the following code:

text-shadow: 2px 2px 2px #000;

This will create a shadow that is 2 pixels to the right and 2 pixels down from the text, with a blur radius of 2 pixels. The shadow color is black (#000). You can adjust these values to achieve the desired effect.

Can I use multiple text shadows to create a more complex embossed effect?

Yes, you can use multiple text shadows to create a more complex embossed effect. You can specify multiple shadows by separating them with commas. Each shadow is specified with the same three values: horizontal offset, vertical offset, and blur radius. For example:

text-shadow: 1px 1px 1px #000, -1px -1px 1px #fff;

This will create two shadows: one black shadow that is 1 pixel to the right and 1 pixel down from the text, and one white shadow that is 1 pixel to the left and 1 pixel up from the text. Both shadows have a blur radius of 1 pixel.

How can I create a debossed (inset) text effect using CSS text-shadow?

To create a debossed (inset) text effect, you can use a negative value for the vertical and horizontal offset. This will create a shadow that appears to be inside the text, giving it an inset or debossed look. For example:

text-shadow: -1px -1px 1px #000;

This will create a black shadow that is 1 pixel to the left and 1 pixel up from the text, with a blur radius of 1 pixel.

Can I use CSS text-shadow to create a glow effect?

Yes, you can use CSS text-shadow to create a glow effect. To do this, you can use a large blur radius and a bright color for the shadow. For example:

text-shadow: 0 0 10px #f00;

This will create a red glow around the text.

How can I create a multi-colored shadow effect using CSS text-shadow?

To create a multi-colored shadow effect, you can specify multiple shadows with different colors. For example:

text-shadow: 1px 1px 1px #f00, 2px 2px 1px #0f0, 3px 3px 1px #00f;

This will create three shadows: a red shadow that is 1 pixel to the right and 1 pixel down from the text, a green shadow that is 2 pixels to the right and 2 pixels down from the text, and a blue shadow that is 3 pixels to the right and 3 pixels down from the text. All shadows have a blur radius of 1 pixel.

James EdwardsJames Edwards
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James is a freelance web developer based in the UK, specialising in JavaScript application development and building accessible websites. With more than a decade's professional experience, he is a published author, a frequent blogger and speaker, and an outspoken advocate of standards-based development.

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