#66EEF0#66EEF0

#66EEF0 is a very light, moderate teal. Relative luminance 0.703; OKLCH L 87.5% C 0.118 H 196.6°. Best body text is #000000 at 15.05:1 contrast (WCAG AA passes).

Color values

HEX	#66EEF0
RGB	rgb(102, 238, 240)
HSL	hsl(181, 82%, 67%)
HSV	hsv(181, 58%, 94%)
CMYK	cmyk(57.5%, 0.8%, 0%, 5.9%)
CIE-LAB	lab(87.12, -36.15, -12.13)
CIE-LCH	lch(87.12, 38.13, 198.55°)
OKLab	oklab(87.54% -0.113 -0.0336)
OKLCH	oklch(87.54% 0.118 196.6)
XYZ	xyz(51.7755, 70.2598, 93.2541)
Luminance	0.7026 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EEF0 #F06866

analogous

#66F0AD #66EEF0 #66A9F0

triadic

#66EEF0 #F066EE #EEF066

tetradic

#66EEF0 #AD66F0 #F06866 #A9F066

square

#66EEF0 #AD66F0 #F06866 #A9F066

split-complementary

#66EEF0 #F066A9 #F0AD66

monochromatic

#14C5C8 #2EE8EB #66EEF0 #9EF4F5 #D5FAFB

Accessibility & contrast

On white

1.40

#66EEF0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.05

#66EEF0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EEF0

15.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EEF0	#FFFFFF	#000000	##000000
##66EEF0	1.00	1.40	15.05	15.05
#FFFFFF	1.40	1.00	21.00	21.00
#000000	15.05	21.00	1.00	1.00
##000000	15.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0E4F0

Deuteranopia (green-blind)

#C9D3F1

Tritanopia (blue-blind)

#00F5EE

Achromatopsia (no color)

#DADADA

Design tokens & code

CSS

--color: #66eef0;
/* rgb */ color: rgb(102, 238, 240);
/* oklch */ color: oklch(87.5% 0.118 196.6);

Tailwind

colors: {
  custom: {
    50: '#9ff4f4',
    500: '#66eef0',
    950: '#000000',
  },
}

SCSS

$custom: #66eef0;
$custom-light: #9ff4f4;
$custom-dark: #000000;

JSON

{
  "hex": "#66eef0",
  "rgb": {
    "r": 102,
    "g": 238,
    "b": 240
  },
  "hsl": {
    "h": 180.87,
    "s": 82.143,
    "l": 67.059
  },
  "oklch": {
    "l": 0.8754,
    "c": 0.11792,
    "h": 196.6
  },
  "luminance": 0.70265
}

Semantic roles & 50–950 ramp

primary

#66EEF0

secondary

#C53735

accent

#0A07DF

background

#FDFFFF

surface

#F7FEFE

border

#D0D6D6

text

#101717

muted

#818585

Preview Lab

Preview with #66EEF0

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

Preview Lab → · Contrast checker → · Palette generator →