#66D8BB#66D8BB

#66D8BB is a light, moderate teal. Relative luminance 0.555; OKLCH L 80.8% C 0.113 H 174.3°. Best body text is #000000 at 12.10:1 contrast (WCAG AA passes).

Color values

HEX	#66D8BB
RGB	rgb(102, 216, 187)
HSL	hsl(165, 59%, 62%)
HSV	hsv(165, 53%, 85%)
CMYK	cmyk(52.8%, 0%, 13.4%, 15.3%)
CIE-LAB	lab(79.34, -39.40, 4.46)
CIE-LCH	lch(79.34, 39.65, 173.54°)
OKLab	oklab(80.77% -0.1124 0.0112)
OKLCH	oklch(80.77% 0.113 174.3)
XYZ	xyz(39.0010, 55.5208, 55.6654)
Luminance	0.5552 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D8BB #D86683

analogous

#66D882 #66D8BB #66BCD8

triadic

#66D8BB #BB66D8 #D8BB66

tetradic

#66D8BB #8266D8 #D86683 #BCD866

square

#66D8BB #8266D8 #D86683 #BCD866

split-complementary

#66D8BB #D866BC #D88266

monochromatic

#289C7E #35CCA5 #66D8BB #97E4D1 #C8F1E6

Accessibility & contrast

On white

1.73

#66D8BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.10

#66D8BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D8BB

12.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D8BB	#FFFFFF	#000000	##000000
##66D8BB	1.00	1.73	12.10	12.10
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.10	21.00	1.00	1.00
##000000	12.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2CCBA

Deuteranopia (green-blind)

#C0BFBD

Tritanopia (blue-blind)

#2CDACF

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #66d8bb;
/* rgb */ color: rgb(102, 216, 187);
/* oklch */ color: oklch(80.8% 0.113 174.3);

Tailwind

colors: {
  custom: {
    50: '#9ae4cf',
    500: '#66d8bb',
    950: '#000000',
  },
}

SCSS

$custom: #66d8bb;
$custom-light: #9ae4cf;
$custom-dark: #000000;

JSON

{
  "hex": "#66d8bb",
  "rgb": {
    "r": 102,
    "g": 216,
    "b": 187
  },
  "hsl": {
    "h": 164.737,
    "s": 59.375,
    "l": 62.353
  },
  "oklch": {
    "l": 0.80765,
    "c": 0.11294,
    "h": 174.3
  },
  "luminance": 0.55524
}

Semantic roles & 50–950 ramp

primary

#66D8BB

secondary

#A0425A

accent

#1E49C7

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0F1613

muted

#808483

Preview Lab

Preview with #66D8BB

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

Preview Lab → · Contrast checker → · Palette generator →