#66D5BF#66D5BF

#66D5BF is a light, moderate teal. Relative luminance 0.542; OKLCH L 80.2% C 0.107 H 178.6°. Best body text is #000000 at 11.84:1 contrast (WCAG AA passes).

Color values

HEX	#66D5BF
RGB	rgb(102, 213, 191)
HSL	hsl(168, 57%, 62%)
HSV	hsv(168, 52%, 84%)
CMYK	cmyk(52.1%, 0%, 10.3%, 16.5%)
CIE-LAB	lab(78.56, -37.09, 1.19)
CIE-LCH	lch(78.56, 37.11, 178.16°)
OKLab	oklab(80.17% -0.1073 0.0026)
OKLCH	oklch(80.17% 0.107 178.6)
XYZ	xyz(38.6736, 54.1714, 57.6982)
Luminance	0.5417 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D5BF #D5667C

analogous

#66D588 #66D5BF #66B4D5

triadic

#66D5BF #BF66D5 #D5BF66

tetradic

#66D5BF #8866D5 #D5667C #B4D566

square

#66D5BF #8866D5 #D5667C #B4D566

split-complementary

#66D5BF #D566B4 #D58866

monochromatic

#299781 #37C7AB #66D5BF #96E2D3 #C6EFE7

Accessibility & contrast

On white

1.77

#66D5BF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.84

#66D5BF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D5BF

11.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D5BF	#FFFFFF	#000000	##000000
##66D5BF	1.00	1.77	11.84	11.84
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.84	21.00	1.00	1.00
##000000	11.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CECABE

Deuteranopia (green-blind)

#BCBDC1

Tritanopia (blue-blind)

#29D8CE

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #66d5bf;
/* rgb */ color: rgb(102, 213, 191);
/* oklch */ color: oklch(80.2% 0.107 178.6);

Tailwind

colors: {
  custom: {
    50: '#9ae2d2',
    500: '#66d5bf',
    950: '#000000',
  },
}

SCSS

$custom: #66d5bf;
$custom-light: #9ae2d2;
$custom-dark: #000000;

JSON

{
  "hex": "#66d5bf",
  "rgb": {
    "r": 102,
    "g": 213,
    "b": 191
  },
  "hsl": {
    "h": 168.108,
    "s": 56.923,
    "l": 61.765
  },
  "oklch": {
    "l": 0.80167,
    "c": 0.10735,
    "h": 178.6
  },
  "luminance": 0.54175
}

Semantic roles & 50–950 ramp

primary

#66D5BF

secondary

#9C4355

accent

#2141C4

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0F1514

muted

#808483

Preview Lab

Preview with #66D5BF

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

Preview Lab → · Contrast checker → · Palette generator →