#66EFEA#66EFEA

#66EFEA is a very light, moderate teal. Relative luminance 0.705; OKLCH L 87.6% C 0.119 H 191.9°. Best body text is #000000 at 15.10:1 contrast (WCAG AA passes).

Color values

HEX	#66EFEA
RGB	rgb(102, 239, 234)
HSL	hsl(178, 81%, 67%)
HSV	hsv(178, 57%, 94%)
CMYK	cmyk(57.3%, 0%, 2.1%, 6.3%)
CIE-LAB	lab(87.24, -38.19, -8.82)
CIE-LCH	lch(87.24, 39.19, 193.00°)
OKLab	oklab(87.58% -0.1165 -0.0245)
OKLCH	oklch(87.58% 0.119 191.9)
XYZ	xyz(51.1908, 70.4931, 88.7347)
Luminance	0.7050 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EFEA #EF666B

analogous

#66EFA6 #66EFEA #66B0EF

triadic

#66EFEA #EA66EF #EFEA66

tetradic

#66EFEA #A666EF #EF666B #B0EF66

square

#66EFEA #A666EF #EF666B #B0EF66

split-complementary

#66EFEA #EF66B0 #EFA666

monochromatic

#15C6BF #2FE9E2 #66EFEA #9DF5F2 #D5FBF9

Accessibility & contrast

On white

1.39

#66EFEA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.10

#66EFEA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EFEA

15.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EFEA	#FFFFFF	#000000	##000000
##66EFEA	1.00	1.39	15.10	15.10
#FFFFFF	1.39	1.00	21.00	21.00
#000000	15.10	21.00	1.00	1.00
##000000	15.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2E4EA

Deuteranopia (green-blind)

#CCD4EB

Tritanopia (blue-blind)

#00F5ED

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #66efea;
/* rgb */ color: rgb(102, 239, 234);
/* oklch */ color: oklch(87.6% 0.119 191.9);

Tailwind

colors: {
  custom: {
    50: '#9ff4f0',
    500: '#66efea',
    950: '#000000',
  },
}

SCSS

$custom: #66efea;
$custom-light: #9ff4f0;
$custom-dark: #000000;

JSON

{
  "hex": "#66efea",
  "rgb": {
    "r": 102,
    "g": 239,
    "b": 234
  },
  "hsl": {
    "h": 177.81,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.87575,
    "c": 0.11908,
    "h": 191.9
  },
  "luminance": 0.70498
}

Semantic roles & 50–950 ramp

primary

#66EFEA

secondary

#C3363B

accent

#0810DD

background

#FDFFFF

surface

#F7FEFE

border

#D0D6D6

text

#101716

muted

#818585

Preview Lab

Preview with #66EFEA

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

Preview Lab → · Contrast checker → · Palette generator →