Aqua colour (#00FFFF)
Aqua is medium a cyan with hex code #00FFFF, one of the 148 named colours every browser understands, so you can write color: ${name} directly in CSS. In RGB it is 0, 255, 255; in HSL 180°, 100%, 50%. Use the tool to explore shades and harmonies.
How to use the Aqua colour
- The colour is pre-filled; click Explore to see all formats, shades and harmonies.
- Edit the value to try a variation.
- Copy the code you need.
Aqua in every format
| Format | Value |
|---|---|
| HEX | #00FFFF |
| RGB | rgb(0, 255, 255) |
| RGB (0–1) | 0.000, 1.000, 1.000 |
| HSL | hsl(180, 100%, 50%) |
| CMYK (approx.) | 100%, 0%, 0%, 0% |
| CSS | color: aqua; |
Shades and tints of Aqua
Same hue and saturation, lightness from 90% to 10%:
#ccffff | #99ffff | #66ffff | #33ffff | #00ffff | #00cccc | #009999 | #006666 | #003333 |
Colours that go with Aqua
| Harmony | Colours | |
|---|---|---|
| Complementary | #ff0000 | |
| Triadic | #ff00ff | #ffff00 |
| Analogous | #0080ff | #00ff80 |
Similar named colours
The closest CSS named colours by RGB distance, useful when you need a keyword instead of a hex code or want a near match:
| Colour | HEX | Difference |
|---|---|---|
| deepskyblue | #00bfff | close |
| darkturquoise | #00ced1 | close |
| turquoise | #40e0d0 | noticeably different |
| mediumturquoise | #48d1cc | noticeably different |
| mediumspringgreen | #00fa9a | noticeably different |
Accessibility
Contrast ratio of Aqua against white is 1.25:1 (fails WCAG AA for normal text) and against black 16.75:1 (passes). Use black or very dark text on a Aqua background rather than white.
Frequently asked questions
What is the hex code for Aqua?
#00FFFF.
What is Aqua in RGB?
rgb(0, 255, 255).
What colour is complementary to Aqua?
#ff0000, directly opposite on the colour wheel.
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Last updated 2026-09-23.