#66D5BC#66D5BC

#66D5BC is a light, moderate teal. Relative luminance 0.540; OKLCH L 80.1% C 0.109 H 176.6°. Best body text is #000000 at 11.81:1 contrast (WCAG AA passes).

Color values

HEX	#66D5BC
RGB	rgb(102, 213, 188)
HSL	hsl(166, 57%, 62%)
HSV	hsv(166, 52%, 84%)
CMYK	cmyk(52.1%, 0%, 11.7%, 16.5%)
CIE-LAB	lab(78.49, -37.80, 2.69)
CIE-LCH	lch(78.49, 37.90, 175.93°)
OKLab	oklab(80.08% -0.1086 0.0065)
OKLCH	oklch(80.08% 0.109 176.6)
XYZ	xyz(38.3469, 54.0407, 55.9773)
Luminance	0.5404 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D5BC #D5667F

analogous

#66D585 #66D5BC #66B7D5

triadic

#66D5BC #BC66D5 #D5BC66

tetradic

#66D5BC #8566D5 #D5667F #B7D566

square

#66D5BC #8566D5 #D5667F #B7D566

split-complementary

#66D5BC #D566B7 #D58566

monochromatic

#29977E #37C7A7 #66D5BC #96E2D1 #C6EFE6

Accessibility & contrast

On white

1.78

#66D5BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.81

#66D5BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D5BC

11.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D5BC	#FFFFFF	#000000	##000000
##66D5BC	1.00	1.78	11.81	11.81
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.81	21.00	1.00	1.00
##000000	11.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CECABB

Deuteranopia (green-blind)

#BDBDBE

Tritanopia (blue-blind)

#2DD8CD

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #66d5bc;
/* rgb */ color: rgb(102, 213, 188);
/* oklch */ color: oklch(80.1% 0.109 176.6);

Tailwind

colors: {
  custom: {
    50: '#9ae2d0',
    500: '#66d5bc',
    950: '#000000',
  },
}

SCSS

$custom: #66d5bc;
$custom-light: #9ae2d0;
$custom-dark: #000000;

JSON

{
  "hex": "#66d5bc",
  "rgb": {
    "r": 102,
    "g": 213,
    "b": 188
  },
  "hsl": {
    "h": 166.486,
    "s": 56.923,
    "l": 61.765
  },
  "oklch": {
    "l": 0.8008,
    "c": 0.10884,
    "h": 176.6
  },
  "luminance": 0.54044
}

Semantic roles & 50–950 ramp

primary

#66D5BC

secondary

#9C4357

accent

#2146C4

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0F1513

muted

#808483

Preview Lab

Preview with #66D5BC

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

Preview Lab → · Contrast checker → · Palette generator →