Green color · CSS named color
Medium Aquamarine Color Code: #66CDAA
Medium Aquamarine is a medium-light, rich blue-green color with the hexadecimal value #66CDAA. In RGB it is 102, 205, 170 and in HSL it is 160°, 51%, 60%. Black text reads best on it (10.87:1 contrast).
Medium Aquamarine color values
#66CDAA
rgb(102, 205, 170)
hsl(160, 51%, 60%)
160, 50%, 80%
hwb(160 40% 20%)
50%, 0%, 17%, 20%
6737322
mediumaquamarine
CMYK is a standard screen-to-print conversion. Printed results depend on inks, paper and color profiles.
What is Medium Aquamarine?
Medium Aquamarine is one of the named colors defined by the CSS Color specifications (keyword “mediumaquamarine”), so every modern browser understands it without a hex code.
Its hue angle of 160° places it in the blue-green part of the color wheel, with 51% saturation (rich) and 60% lightness (medium-light). It sits between warm and cool.
Compared with the other green colors in the Aqeeb Studio library, it is lighter than 75% of them and more saturated than 26% of them.
Its relative luminance is 0.494, which makes it a light color. That is above the 0.179 crossover point at which black and white text have equal contrast, so black text has the advantage.
Medium Aquamarine counts as a light color: its HSL lightness is 60% and its relative luminance is 0.494. Black text reads best on it (10.87:1 contrast).
Text contrast on Medium Aquamarine
| Text | Preview | Ratio | AA normal | AA large | AAA normal | AAA large |
|---|---|---|---|---|---|---|
| White text | Sample text | 1.93:1 Poor | Fail | Fail | Fail | Fail |
| Black text | Sample text | 10.87:1 Excellent | Pass | Pass | Pass | Pass |
Ratios use the WCAG 2 formula and are truncated, never rounded up. Test any pair with the contrast checker.
Colors that go with Medium Aquamarine
Complementary color
Complementary colors sit directly opposite each other on the color wheel (180° apart). They give the strongest hue contrast, which suits calls to action and accents.
Analogous colors
Analogous colors are neighbors on the wheel, 30° either side of the base hue. They blend smoothly and are easy to combine in backgrounds, gradients and illustrations.
Triadic colors
A triadic scheme uses three hues spaced 120° apart. It is lively yet balanced, and works best when one color leads and the other two act as accents.
Split-complementary colors
Split-complementary keeps the base color and uses the two colors on either side of its complement (150° and 210°). The contrast is strong but gentler than a direct complement.
Tetradic colors
A tetradic (rectangle) scheme combines two complementary pairs at 0°, 60°, 180° and 240°. It offers variety but needs one dominant color to stay balanced.
Monochromatic variants
Monochromatic variants keep the same hue and saturation and only change lightness, which makes them dependable for UI scales and subtle layered designs.
A “≈” before a name means the exact harmony color has no named match, so the link goes to the closest named color.
Tints and shades of Medium Aquamarine
Lighter tints (mixed with white)
Darker shades (mixed with black)
Select any swatch to copy its HEX code. Build longer scales with the tints and shades tool.
Similar colors
Where to use Medium Aquamarine
- Card, highlight and section backgrounds with dark text (10.87:1 contrast with black)
- Eco, health and finance-style branding
- Charts, maps and nature illustrations
- Calm backgrounds and section fills
- Success and confirmation states (with a label or icon)
Medium Aquamarine appears in these curated palettes: Mint and Teal (Green Color Palettes).
Use Medium Aquamarine in CSS
:root {
--color-medium-aquamarine: #66CDAA;
}
.element {
color: var(--color-medium-aquamarine);
background-color: #66CDAA;
border: 2px solid #66CDAA;
}Questions about Medium Aquamarine
What is the HEX code for Medium Aquamarine?
Medium Aquamarine is #66CDAA.
What is the RGB value of Medium Aquamarine?
The RGB value of Medium Aquamarine is 102, 205, 170: 102 red, 205 green and 170 blue on a 0–255 scale, written rgb(102, 205, 170) in CSS.
What is the HSL value of Medium Aquamarine?
The HSL value of Medium Aquamarine is 160°, 51%, 60% (hue, saturation, lightness), written hsl(160, 51%, 60%) in CSS.
What is the CMYK value of Medium Aquamarine?
A standard conversion gives about C 50%, M 0%, Y 17%, K 20%. Real print results depend on the inks, paper and color profile, so treat CMYK here as a reference value.
Is Medium Aquamarine a light or dark color?
Medium Aquamarine counts as a light color: its HSL lightness is 60% and its relative luminance is 0.494. Black text reads best on it (10.87:1 contrast).
How does Medium Aquamarine look with white text?
White text on Medium Aquamarine has a contrast ratio of 1.93:1, rated Poor. It falls below the WCAG minimum for text.
How does Medium Aquamarine look with black text?
Black text on Medium Aquamarine has a contrast ratio of 10.87:1, rated Excellent. It meets WCAG AA for normal text.
What colors go well with Medium Aquamarine?
Pale Violet Red is its complementary color, and Dark Mint sits beside it as an analogous color. Lighter and darker variants of the same hue also work well for monochromatic palettes.
Where can Medium Aquamarine be used?
It suits card, highlight and section backgrounds with dark text (10.87:1 contrast with black); eco, health and finance-style branding; charts, maps and nature illustrations.
How do I use Medium Aquamarine in CSS?
Use color: #66CDAA; for text, background-color: #66CDAA; for fills, or define a custom property such as --color-medium-aquamarine: #66CDAA; and reuse it with var(--color-medium-aquamarine).
About this color page
CSS named color (W3C CSS Color Module). Values are calculated from the HEX code; color names are labels, not trademarks or standards unless stated. Screens render colors differently, so always check important colors on your own device. See the disclaimer.