#66ECDB#66ECDB

#66ECDB is a very light, vivid teal. Relative luminance 0.679; OKLCH L 86.4% C 0.120 H 183.9°. Best body text is #000000 at 14.59:1 contrast (WCAG AA passes).

Color values

HEX	#66ECDB
RGB	rgb(102, 236, 219)
HSL	hsl(172, 78%, 66%)
HSV	hsv(172, 57%, 93%)
CMYK	cmyk(56.8%, 0%, 7.2%, 7.5%)
CIE-LAB	lab(85.97, -40.64, -2.82)
CIE-LCH	lch(85.97, 40.74, 183.97°)
OKLab	oklab(86.41% -0.1198 -0.0082)
OKLCH	oklch(86.41% 0.12 183.9)
XYZ	xyz(48.2554, 67.9253, 77.5719)
Luminance	0.6793 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66ECDB #EC6677

analogous

#66EC98 #66ECDB #66BAEC

triadic

#66ECDB #DB66EC #ECDB66

tetradic

#66ECDB #9866EC #EC6677 #BAEC66

square

#66ECDB #9866EC #EC6677 #BAEC66

split-complementary

#66ECDB #EC66BA #EC9866

monochromatic

#18C0AA #30E5CE #66ECDB #9CF3E8 #D3FAF5

Accessibility & contrast

On white

1.44

#66ECDB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.59

#66ECDB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66ECDB

14.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66ECDB	#FFFFFF	#000000	##000000
##66ECDB	1.00	1.44	14.59	14.59
#FFFFFF	1.44	1.00	21.00	21.00
#000000	14.59	21.00	1.00	1.00
##000000	14.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2E0DA

Deuteranopia (green-blind)

#CDD1DD

Tritanopia (blue-blind)

#00F0E7

Achromatopsia (no color)

#D7D7D7

Design tokens & code

CSS

--color: #66ecdb;
/* rgb */ color: rgb(102, 236, 219);
/* oklch */ color: oklch(86.4% 0.120 183.9);

Tailwind

colors: {
  custom: {
    50: '#9ef2e6',
    500: '#66ecdb',
    950: '#000000',
  },
}

SCSS

$custom: #66ecdb;
$custom-light: #9ef2e6;
$custom-dark: #000000;

JSON

{
  "hex": "#66ecdb",
  "rgb": {
    "r": 102,
    "g": 236,
    "b": 219
  },
  "hsl": {
    "h": 172.388,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.86412,
    "c": 0.12006,
    "h": 183.9
  },
  "luminance": 0.6793
}

Semantic roles & 50–950 ramp

primary

#66ECDB

secondary

#BE3849

accent

#0B26DA

background

#FCFFFE

surface

#F6FEFC

border

#D0D6D5

text

#0F1715

muted

#808584

Preview Lab

Preview with #66ECDB

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

Preview Lab → · Contrast checker → · Palette generator →