#66EED9#66EED9

#66EED9 is a very light, vivid teal. Relative luminance 0.690; OKLCH L 86.8% C 0.123 H 181.6°. Best body text is #000000 at 14.80:1 contrast (WCAG AA passes).

Color values

HEX	#66EED9
RGB	rgb(102, 238, 217)
HSL	hsl(171, 80%, 67%)
HSV	hsv(171, 57%, 93%)
CMYK	cmyk(57.1%, 0%, 8.8%, 6.7%)
CIE-LAB	lab(86.49, -42.03, -1.00)
CIE-LCH	lch(86.49, 42.04, 181.36°)
OKLab	oklab(86.82% -0.1227 -0.0034)
OKLCH	oklch(86.82% 0.123 181.6)
XYZ	xyz(48.5728, 68.9788, 76.3866)
Luminance	0.6898 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EED9 #EE667B

analogous

#66EE95 #66EED9 #66BFEE

triadic

#66EED9 #D966EE #EED966

tetradic

#66EED9 #9566EE #EE667B #BFEE66

square

#66EED9 #9566EE #EE667B #BFEE66

split-complementary

#66EED9 #EE66BF #EE9566

monochromatic

#16C4A9 #2FE8CB #66EED9 #9DF4E7 #D4FAF4

Accessibility & contrast

On white

1.42

#66EED9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.80

#66EED9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EED9

14.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EED9	#FFFFFF	#000000	##000000
##66EED9	1.00	1.42	14.80	14.80
#FFFFFF	1.42	1.00	21.00	21.00
#000000	14.80	21.00	1.00	1.00
##000000	14.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4E1D8

Deuteranopia (green-blind)

#CFD2DB

Tritanopia (blue-blind)

#00F2E7

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #66eed9;
/* rgb */ color: rgb(102, 238, 217);
/* oklch */ color: oklch(86.8% 0.123 181.6);

Tailwind

colors: {
  custom: {
    50: '#9ef4e4',
    500: '#66eed9',
    950: '#000000',
  },
}

SCSS

$custom: #66eed9;
$custom-light: #9ef4e4;
$custom-dark: #000000;

JSON

{
  "hex": "#66eed9",
  "rgb": {
    "r": 102,
    "g": 238,
    "b": 217
  },
  "hsl": {
    "h": 170.735,
    "s": 80,
    "l": 66.667
  },
  "oklch": {
    "l": 0.8682,
    "c": 0.12277,
    "h": 181.6
  },
  "luminance": 0.68984
}

Semantic roles & 50–950 ramp

primary

#66EED9

secondary

#C2374C

accent

#092ADC

background

#FCFFFE

surface

#F6FEFC

border

#D0D6D5

text

#0F1715

muted

#808584

Preview Lab

Preview with #66EED9

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

Preview Lab → · Contrast checker → · Palette generator →