#66F0E4#66F0E4

#66F0E4 is a very light, vivid teal. Relative luminance 0.707; OKLCH L 87.6% C 0.121 H 187.3°. Best body text is #000000 at 15.15:1 contrast (WCAG AA passes).

Color values

HEX	#66F0E4
RGB	rgb(102, 240, 228)
HSL	hsl(175, 82%, 67%)
HSV	hsv(175, 58%, 94%)
CMYK	cmyk(57.5%, 0%, 5%, 5.9%)
CIE-LAB	lab(87.36, -40.18, -5.49)
CIE-LCH	lch(87.36, 40.55, 187.78°)
OKLab	oklab(87.62% -0.1201 -0.0155)
OKLCH	oklch(87.62% 0.121 187.3)
XYZ	xyz(50.6370, 70.7413, 84.3696)
Luminance	0.7075 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F0E4 #F06672

analogous

#66F09F #66F0E4 #66B7F0

triadic

#66F0E4 #E466F0 #F0E466

tetradic

#66F0E4 #9F66F0 #F06672 #B7F066

square

#66F0E4 #9F66F0 #F06672 #B7F066

split-complementary

#66F0E4 #F066B7 #F09F66

monochromatic

#14C8B8 #2EEBDA #66F0E4 #9EF5EE #D5FBF8

Accessibility & contrast

On white

1.39

#66F0E4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.15

#66F0E4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F0E4

15.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F0E4	#FFFFFF	#000000	##000000
##66F0E4	1.00	1.39	15.15	15.15
#FFFFFF	1.39	1.00	21.00	21.00
#000000	15.15	21.00	1.00	1.00
##000000	15.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4E4E4

Deuteranopia (green-blind)

#CFD4E6

Tritanopia (blue-blind)

#00F5EC

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #66f0e4;
/* rgb */ color: rgb(102, 240, 228);
/* oklch */ color: oklch(87.6% 0.121 187.3);

Tailwind

colors: {
  custom: {
    50: '#9ef5ec',
    500: '#66f0e4',
    950: '#000000',
  },
}

SCSS

$custom: #66f0e4;
$custom-light: #9ef5ec;
$custom-dark: #000000;

JSON

{
  "hex": "#66f0e4",
  "rgb": {
    "r": 102,
    "g": 240,
    "b": 228
  },
  "hsl": {
    "h": 174.783,
    "s": 82.143,
    "l": 67.059
  },
  "oklch": {
    "l": 0.87619,
    "c": 0.12108,
    "h": 187.3
  },
  "luminance": 0.70746
}

Semantic roles & 50–950 ramp

primary

#66F0E4

secondary

#C53542

accent

#071ADF

background

#FCFFFE

surface

#F6FEFD

border

#D0D6D5

text

#101716

muted

#808584

Preview Lab

Preview with #66F0E4

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

Preview Lab → · Contrast checker → · Palette generator →