#66EFEE#66EFEE

#66EFEE is a very light, moderate teal. Relative luminance 0.707; OKLCH L 87.7% C 0.119 H 194.5°. Best body text is #000000 at 15.15:1 contrast (WCAG AA passes).

Color values

HEX	#66EFEE
RGB	rgb(102, 239, 238)
HSL	hsl(180, 81%, 67%)
HSV	hsv(180, 57%, 94%)
CMYK	cmyk(57.3%, 0%, 0.4%, 6.3%)
CIE-LAB	lab(87.35, -37.14, -10.74)
CIE-LCH	lch(87.35, 38.66, 196.14°)
OKLab	oklab(87.71% -0.1149 -0.0298)
OKLCH	oklch(87.71% 0.119 194.5)
XYZ	xyz(51.7720, 70.7255, 91.7953)
Luminance	0.7073 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EFEE #EF6667

analogous

#66EFAA #66EFEE #66ACEF

triadic

#66EFEE #EE66EF #EFEE66

tetradic

#66EFEE #AA66EF #EF6667 #ACEF66

square

#66EFEE #AA66EF #EF6667 #ACEF66

split-complementary

#66EFEE #EF66AC #EFAA66

monochromatic

#15C6C5 #2FE9E8 #66EFEE #9DF5F4 #D5FBFA

Accessibility & contrast

On white

1.39

#66EFEE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.15

#66EFEE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EFEE

15.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EFEE	#FFFFFF	#000000	##000000
##66EFEE	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)

#E1E4EE

Deuteranopia (green-blind)

#CBD4EF

Tritanopia (blue-blind)

#00F6EE

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #66efee;
/* rgb */ color: rgb(102, 239, 238);
/* oklch */ color: oklch(87.7% 0.119 194.5);

Tailwind

colors: {
  custom: {
    50: '#9ff4f3',
    500: '#66efee',
    950: '#000000',
  },
}

SCSS

$custom: #66efee;
$custom-light: #9ff4f3;
$custom-dark: #000000;

JSON

{
  "hex": "#66efee",
  "rgb": {
    "r": 102,
    "g": 239,
    "b": 238
  },
  "hsl": {
    "h": 179.562,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.87705,
    "c": 0.11867,
    "h": 194.5
  },
  "luminance": 0.70731
}

Semantic roles & 50–950 ramp

primary

#66EFEE

secondary

#C33637

accent

#080ADD

background

#FDFFFF

surface

#F7FEFE

border

#D0D6D6

text

#101717

muted

#818585

Preview Lab

Preview with #66EFEE

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

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