#66F4E5#66F4E5

#66F4E5 is a very light, vivid teal. Relative luminance 0.732; OKLCH L 88.6% C 0.124 H 185.6°. Best body text is #000000 at 15.64:1 contrast (WCAG AA passes).

Color values

HEX	#66F4E5
RGB	rgb(102, 244, 229)
HSL	hsl(174, 87%, 68%)
HSV	hsv(174, 58%, 96%)
CMYK	cmyk(58.2%, 0%, 6.1%, 4.3%)
CIE-LAB	lab(88.53, -41.72, -4.29)
CIE-LCH	lch(88.53, 41.94, 185.87°)
OKLab	oklab(88.58% -0.1238 -0.0122)
OKLCH	oklch(88.58% 0.124 185.6)
XYZ	xyz(51.9667, 73.1780, 85.4996)
Luminance	0.7318 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F4E5 #F46675

analogous

#66F49E #66F4E5 #66BCF4

triadic

#66F4E5 #E566F4 #F4E566

tetradic

#66F4E5 #9E66F4 #F46675 #BCF466

square

#66F4E5 #9E66F4 #F46675 #BCF466

split-complementary

#66F4E5 #F466BC #F49E66

monochromatic

#0FD1BC #2DF0DB #66F4E5 #9FF8EF #D8FCF8

Accessibility & contrast

On white

1.34

#66F4E5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.64

#66F4E5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F4E5

15.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F4E5	#FFFFFF	#000000	##000000
##66F4E5	1.00	1.34	15.64	15.64
#FFFFFF	1.34	1.00	21.00	21.00
#000000	15.64	21.00	1.00	1.00
##000000	15.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9E8E5

Deuteranopia (green-blind)

#D3D7E7

Tritanopia (blue-blind)

#00F9EF

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #66f4e5;
/* rgb */ color: rgb(102, 244, 229);
/* oklch */ color: oklch(88.6% 0.124 185.6);

Tailwind

colors: {
  custom: {
    50: '#9ff8ed',
    500: '#66f4e5',
    950: '#000000',
  },
}

SCSS

$custom: #66f4e5;
$custom-light: #9ff8ed;
$custom-dark: #000000;

JSON

{
  "hex": "#66f4e5",
  "rgb": {
    "r": 102,
    "g": 244,
    "b": 229
  },
  "hsl": {
    "h": 173.662,
    "s": 86.585,
    "l": 67.843
  },
  "oklch": {
    "l": 0.88579,
    "c": 0.12437,
    "h": 185.6
  },
  "luminance": 0.73183
}

Semantic roles & 50–950 ramp

primary

#66F4E5

secondary

#CC3242

accent

#021AE3

background

#FDFFFE

surface

#F7FFFD

border

#D0D7D5

text

#101716

muted

#818584

Preview Lab

Preview with #66F4E5

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

Preview Lab → · Contrast checker → · Palette generator →