#66E5ED#66E5ED

#66E5ED is a very light, moderate teal. Relative luminance 0.650; OKLCH L 85.4% C 0.112 H 200.9°. Best body text is #000000 at 14.00:1 contrast (WCAG AA passes).

Color values

HEX	#66E5ED
RGB	rgb(102, 229, 237)
HSL	hsl(184, 79%, 66%)
HSV	hsv(184, 57%, 93%)
CMYK	cmyk(57%, 3.4%, 0%, 7.1%)
CIE-LAB	lab(84.47, -32.75, -14.53)
CIE-LCH	lch(84.47, 35.82, 203.92°)
OKLab	oklab(85.37% -0.105 -0.0402)
OKLCH	oklch(85.37% 0.112 200.9)
XYZ	xyz(48.7784, 64.9729, 90.0747)
Luminance	0.6498 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E5ED #ED6E66

analogous

#66EDB2 #66E5ED #66A2ED

triadic

#66E5ED #ED66E5 #E5ED66

tetradic

#66E5ED #B266ED #ED6E66 #A2ED66

square

#66E5ED #B266ED #ED6E66 #A2ED66

split-complementary

#66E5ED #ED66A2 #EDB266

monochromatic

#17B8C2 #2FDCE7 #66E5ED #9DEEF3 #D4F8FA

Accessibility & contrast

On white

1.50

#66E5ED on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.00

#66E5ED on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E5ED

14.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E5ED	#FFFFFF	#000000	##000000
##66E5ED	1.00	1.50	14.00	14.00
#FFFFFF	1.50	1.00	21.00	21.00
#000000	14.00	21.00	1.00	1.00
##000000	14.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6DCEE

Deuteranopia (green-blind)

#C0CCEE

Tritanopia (blue-blind)

#00EDE7

Achromatopsia (no color)

#D3D3D3

Design tokens & code

CSS

--color: #66e5ed;
/* rgb */ color: rgb(102, 229, 237);
/* oklch */ color: oklch(85.4% 0.112 200.9);

Tailwind

colors: {
  custom: {
    50: '#9eedf2',
    500: '#66e5ed',
    950: '#000000',
  },
}

SCSS

$custom: #66e5ed;
$custom-light: #9eedf2;
$custom-dark: #000000;

JSON

{
  "hex": "#66e5ed",
  "rgb": {
    "r": 102,
    "g": 229,
    "b": 237
  },
  "hsl": {
    "h": 183.556,
    "s": 78.947,
    "l": 66.471
  },
  "oklch": {
    "l": 0.85368,
    "c": 0.1124,
    "h": 200.9
  },
  "luminance": 0.64978
}

Semantic roles & 50–950 ramp

primary

#66E5ED

secondary

#C03F37

accent

#170ADB

background

#FCFFFF

surface

#F6FEFE

border

#D0D6D6

text

#101617

muted

#808585

Preview Lab

Preview with #66E5ED

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

Preview Lab → · Contrast checker → · Palette generator →