#66F3EA#66F3EA

#66F3EA is a very light, vivid teal. Relative luminance 0.729; OKLCH L 88.5% C 0.122 H 189.4°. Best body text is #000000 at 15.57:1 contrast (WCAG AA passes).

Color values

HEX	#66F3EA
RGB	rgb(102, 243, 234)
HSL	hsl(176, 85%, 68%)
HSV	hsv(176, 58%, 95%)
CMYK	cmyk(58%, 0%, 3.7%, 4.7%)
CIE-LAB	lab(88.38, -40.00, -7.12)
CIE-LCH	lch(88.38, 40.63, 190.10°)
OKLab	oklab(88.5% -0.1206 -0.0199)
OKLCH	oklch(88.5% 0.122 189.4)
XYZ	xyz(52.3748, 72.8611, 89.1294)
Luminance	0.7287 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F3EA #F3666F

analogous

#66F3A3 #66F3EA #66B6F3

triadic

#66F3EA #EA66F3 #F3EA66

tetradic

#66F3EA #A366F3 #F3666F #B6F366

square

#66F3EA #A366F3 #F3666F #B6F366

split-complementary

#66F3EA #F366B6 #F3A366

monochromatic

#10CEC2 #2DEFE2 #66F3EA #9FF7F2 #D7FCFA

Accessibility & contrast

On white

1.35

#66F3EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.57

#66F3EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F3EA

15.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F3EA	#FFFFFF	#000000	##000000
##66F3EA	1.00	1.35	15.57	15.57
#FFFFFF	1.35	1.00	21.00	21.00
#000000	15.57	21.00	1.00	1.00
##000000	15.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6E7EA

Deuteranopia (green-blind)

#D0D7EB

Tritanopia (blue-blind)

#00F9F0

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #66f3ea;
/* rgb */ color: rgb(102, 243, 234);
/* oklch */ color: oklch(88.5% 0.122 189.4);

Tailwind

colors: {
  custom: {
    50: '#9ff7f0',
    500: '#66f3ea',
    950: '#000000',
  },
}

SCSS

$custom: #66f3ea;
$custom-light: #9ff7f0;
$custom-dark: #000000;

JSON

{
  "hex": "#66f3ea",
  "rgb": {
    "r": 102,
    "g": 243,
    "b": 234
  },
  "hsl": {
    "h": 176.17,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.88501,
    "c": 0.12227,
    "h": 189.4
  },
  "luminance": 0.72866
}

Semantic roles & 50–950 ramp

primary

#66F3EA

secondary

#CA333D

accent

#0412E2

background

#FDFFFF

surface

#F7FFFE

border

#D0D7D6

text

#101716

muted

#818585

Preview Lab

Preview with #66F3EA

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

Preview Lab → · Contrast checker → · Palette generator →