#66F9EA#66F9EA

#66F9EA is a very light, vivid teal. Relative luminance 0.765; OKLCH L 89.9% C 0.127 H 185.9°. Best body text is #000000 at 16.30:1 contrast (WCAG AA passes).

Color values

HEX	#66F9EA
RGB	rgb(102, 249, 234)
HSL	hsl(174, 92%, 69%)
HSV	hsv(174, 59%, 98%)
CMYK	cmyk(59%, 0%, 6%, 2.4%)
CIE-LAB	lab(90.10, -42.68, -4.59)
CIE-LCH	lch(90.10, 42.93, 186.14°)
OKLab	oklab(89.89% -0.1267 -0.0131)
OKLCH	oklch(89.89% 0.127 185.9)
XYZ	xyz(54.1998, 76.5110, 89.7377)
Luminance	0.7652 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F9EA #F96675

analogous

#66F9A1 #66F9EA #66BEF9

triadic

#66F9EA #EA66F9 #F9EA66

tetradic

#66F9EA #A166F9 #F96675 #BEF966

square

#66F9EA #A166F9 #F96675 #BEF966

split-complementary

#66F9EA #F966BE #F9A166

monochromatic

#09DCC6 #2BF7E2 #66F9EA #A1FBF2 #DCFEFA

Accessibility & contrast

On white

1.29

#66F9EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.30

#66F9EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F9EA

16.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F9EA	#FFFFFF	#000000	##000000
##66F9EA	1.00	1.29	16.30	16.30
#FFFFFF	1.29	1.00	21.00	21.00
#000000	16.30	21.00	1.00	1.00
##000000	16.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EDECEA

Deuteranopia (green-blind)

#D7DCEC

Tritanopia (blue-blind)

#00FEF4

Achromatopsia (no color)

#E3E3E3

Design tokens & code

CSS

--color: #66f9ea;
/* rgb */ color: rgb(102, 249, 234);
/* oklch */ color: oklch(89.9% 0.127 185.9);

Tailwind

colors: {
  custom: {
    50: '#a0fcf0',
    500: '#66f9ea',
    950: '#000000',
  },
}

SCSS

$custom: #66f9ea;
$custom-light: #a0fcf0;
$custom-dark: #000000;

JSON

{
  "hex": "#66f9ea",
  "rgb": {
    "r": 102,
    "g": 249,
    "b": 234
  },
  "hsl": {
    "h": 173.878,
    "s": 92.453,
    "l": 68.824
  },
  "oklch": {
    "l": 0.89891,
    "c": 0.12742,
    "h": 185.9
  },
  "luminance": 0.76517
}

Semantic roles & 50–950 ramp

primary

#66F9EA

secondary

#D33041

accent

#0017E6

background

#FDFFFF

surface

#F7FFFE

border

#D0D7D6

text

#101716

muted

#818585

Preview Lab

Preview with #66F9EA

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →