Mediumaquamarine colour (#66CDAA)
Mediumaquamarine is medium a cyan with hex code #66CDAA, one of the 148 named colours every browser understands, so you can write color: ${name} directly in CSS. In RGB it is 102, 205, 170; in HSL 160°, 51%, 60%. Use the tool to explore shades and harmonies.
How to use the Mediumaquamarine 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.
Mediumaquamarine in every format
| Format | Value |
|---|---|
| HEX | #66CDAA |
| RGB | rgb(102, 205, 170) |
| RGB (0–1) | 0.400, 0.804, 0.667 |
| HSL | hsl(160, 51%, 60%) |
| CMYK (approx.) | 50%, 0%, 17%, 20% |
| CSS | color: mediumaquamarine; |
Shades and tints of Mediumaquamarine
Same hue and saturation, lightness from 90% to 10%:
#d8f3ea | #b2e6d5 | #8bdac0 | #65cdaa | #3ec195 | #329a77 | #25745a | #194d3c | #0c271e |
Colours that go with Mediumaquamarine
| Harmony | Colours | |
|---|---|---|
| Complementary | #cd6588 | |
| Triadic | #aa65cd | #cdaa65 |
| Analogous | #65bccd | #65cd76 |
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 |
|---|---|---|
| mediumturquoise | #48d1cc | close |
| cadetblue | #5f9ea0 | close |
| darkseagreen | #8fbc8f | close |
| turquoise | #40e0d0 | close |
| lightgreen | #90ee90 | close |
Accessibility
Contrast ratio of Mediumaquamarine against white is 1.93:1 (fails WCAG AA for normal text) and against black 10.88:1 (passes). Use black or very dark text on a Mediumaquamarine background rather than white.
Frequently asked questions
What is the hex code for Mediumaquamarine?
#66CDAA.
What is Mediumaquamarine in RGB?
rgb(102, 205, 170).
What colour is complementary to Mediumaquamarine?
#cd6588, directly opposite on the colour wheel.
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Last updated 2026-09-23.