Aqua — #00FFFF
#00FFFF is a medium, vivid cyan. It is the CSS named color aqua.
Color values
| HEX | #00FFFF |
| RGB | rgb(0, 255, 255) |
| HSL | hsl(180, 100%, 50%) |
| CMYK | cmyk(100%, 0%, 0%, 0%) |
| Decimal | 65535 |
| CSS | color: #00FFFF; |
| Android | 0xFF00FFFF |
| Swift | UIColor(red: 0.000, green: 1.000, blue: 1.000, alpha: 1) |
Accessibility and contrast
| White text on #00FFFF | 1.25:1 — AA fail · AA large fail · AAA fail |
| Black text on #00FFFF | 16.75:1 — AA pass · AA large pass · AAA pass |
| Recommended text color | black |
WCAG 2.1 asks for at least 4.5:1 for body text and 3:1 for large text (18 pt, or 14 pt bold).
Tints and shades of #00FFFF
Each swatch keeps the hue and saturation of #00FFFF and varies only lightness — the quickest way to build a usable scale from a single brand color.
Colors that go with #00FFFF
Harmonies generated by rotating the hue on the color wheel while holding saturation and lightness constant.
Using #00FFFF in code
/* CSS */
.element { color: #00FFFF; background-color: #00FFFF; }
.element { color: rgb(0 255 255); }
.element { color: hsl(180 100% 50%); }
/* Tailwind arbitrary value */
<div class="bg-[#00FFFF] text-black">
/* SCSS variable */
$brand: #00FFFF;
Frequently asked questions
What color is #00FFFF?
#00FFFF is a medium, vivid cyan, which CSS calls aqua. Its hue sits at 180° on the color wheel, with 100% saturation and 50% lightness.
What is #00FFFF in RGB?
#00FFFF converts to rgb(0, 255, 255) — 0 red, 255 green and 255 blue.
What is #00FFFF in CMYK?
Approximately cmyk(100%, 0%, 0%, 0%). Print output depends on the ICC profile of the press and paper, so treat this as a starting point rather than an exact match.
Should text on #00FFFF be white or black?
Black gives the better contrast ratio (16.75:1 versus 1.25:1).
What is the complementary color of #00FFFF?
#FF0000 — the hue directly opposite #00FFFF on the color wheel.