#66D9BB#66D9BB

#66D9BB is a light, moderate teal. Relative luminance 0.560; OKLCH L 81.0% C 0.114 H 173.8°. Best body text is #000000 at 12.21:1 contrast (WCAG AA passes).

Color values

HEX	#66D9BB
RGB	rgb(102, 217, 187)
HSL	hsl(164, 60%, 63%)
HSV	hsv(164, 53%, 85%)
CMYK	cmyk(53%, 0%, 13.8%, 14.9%)
CIE-LAB	lab(79.63, -39.85, 4.88)
CIE-LCH	lch(79.63, 40.15, 173.01°)
OKLab	oklab(81% -0.1135 0.0123)
OKLCH	oklch(81% 0.114 173.8)
XYZ	xyz(39.2580, 56.0348, 55.7510)
Luminance	0.5604 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D9BB #D96684

analogous

#66D982 #66D9BB #66BDD9

triadic

#66D9BB #BB66D9 #D9BB66

tetradic

#66D9BB #8266D9 #D96684 #BDD966

square

#66D9BB #8266D9 #D96684 #BDD966

split-complementary

#66D9BB #D966BD #D98266

monochromatic

#279D7F #35CDA5 #66D9BB #97E5D1 #C8F1E7

Accessibility & contrast

On white

1.72

#66D9BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.21

#66D9BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D9BB

12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D9BB	#FFFFFF	#000000	##000000
##66D9BB	1.00	1.72	12.21	12.21
#FFFFFF	1.72	1.00	21.00	21.00
#000000	12.21	21.00	1.00	1.00
##000000	12.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3CDBA

Deuteranopia (green-blind)

#C1C0BD

Tritanopia (blue-blind)

#2CDBD0

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #66d9bb;
/* rgb */ color: rgb(102, 217, 187);
/* oklch */ color: oklch(81.0% 0.114 173.8);

Tailwind

colors: {
  custom: {
    50: '#9ae5cf',
    500: '#66d9bb',
    950: '#000000',
  },
}

SCSS

$custom: #66d9bb;
$custom-light: #9ae5cf;
$custom-dark: #000000;

JSON

{
  "hex": "#66d9bb",
  "rgb": {
    "r": 102,
    "g": 217,
    "b": 187
  },
  "hsl": {
    "h": 164.348,
    "s": 60.209,
    "l": 62.549
  },
  "oklch": {
    "l": 0.81003,
    "c": 0.11414,
    "h": 173.8
  },
  "luminance": 0.56038
}

Semantic roles & 50–950 ramp

primary

#66D9BB

secondary

#A1425B

accent

#1E4AC8

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0F1613

muted

#808483

Preview Lab

Preview with #66D9BB

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

Preview Lab → · Contrast checker → · Palette generator →