What is sRGB? The Internet's Default Color Profile
DefinitionThe standard color language of the internet.
1The Simple Explanation
sRGB is the 'default' box of crayons for the internet. Every screen, browser, and phone understands it. If you use a fancy custom profile, your colors might look wrong to other people.
2Technical Deep Dive
Created by HP and Microsoft in 1996. It covers about 35% of the visible spectrum. While narrower than Adobe RGB, its universality makes it the only safe choice for web export.
Common Misconceptions
Myth: Adobe RGB makes photos look better on the web. Fact: Browsers that don't support color management will make Adobe RGB photos look desaturated and gray.