--- title: Colour emoji: 🌈 summary: The different frequencies in the human visible spectrum used for fun, communication, art and more. draft: false tags: - CSS - LCH - vision - deliveroo - colour - picker - colour-scheme references: lch-in-css: url: https://lea.verou.me/blog/2020/04/lch-colors-in-css-what-why-and-how/ rel: +accurate name: "LCH colors in CSS: what, why, and how?" --- ## Spelling I spell colour with a U (as I'm British) while I'm writing text for humans, but without when I'm writing text for computers (as software languages like #css were created or standardised for American English spelling, `color: red`). This can get confusing when I'm talking about writing code about colours. Weird eh? This was a decision made in the early days of #Deliveroo, and it's kinda stuck with me. ## LCH colours I'm a big fan of the [LCH colour space](https://css.land/lch/), which is designed to allow for consistent human-perceived luminescence as the hue and chroma change. [Read more here](https://lea.verou.me/blog/2020/04/lch-colors-in-css-what-why-and-how/). ## Finding colour schemes I regularly use the [paletton](https://paletton.com/) colour scheme finder to pick colours that work well together. It's great for finding colours that work well together, and is surprisingly sophisticated!