#66ECBC#66ECBC

#66ECBC is a very light, vivid teal. Relative luminance 0.664; OKLCH L 85.6% C 0.137 H 166.7°. Best body text is #000000 at 14.29:1 contrast (WCAG AA passes).

Color values

HEX	#66ECBC
RGB	rgb(102, 236, 188)
HSL	hsl(159, 78%, 66%)
HSV	hsv(159, 57%, 93%)
CMYK	cmyk(56.8%, 0%, 20.3%, 7.5%)
CIE-LAB	lab(85.22, -47.91, 12.35)
CIE-LCH	lch(85.22, 49.48, 165.54°)
OKLab	oklab(85.56% -0.1334 0.0317)
OKLCH	oklch(85.56% 0.137 166.7)
XYZ	xyz(44.5476, 66.4422, 58.0442)
Luminance	0.6645 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66ECBC #EC6696

analogous

#66EC79 #66ECBC #66D9EC

triadic

#66ECBC #BC66EC #ECBC66

tetradic

#66ECBC #7966EC #EC6696 #D9EC66

square

#66ECBC #7966EC #EC6696 #D9EC66

split-complementary

#66ECBC #EC66D9 #EC7966

monochromatic

#18C084 #30E5A4 #66ECBC #9CF3D4 #D3FAEC

Accessibility & contrast

On white

1.47

#66ECBC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.29

#66ECBC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66ECBC

14.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66ECBC	#FFFFFF	#000000	##000000
##66ECBC	1.00	1.47	14.29	14.29
#FFFFFF	1.47	1.00	21.00	21.00
#000000	14.29	21.00	1.00	1.00
##000000	14.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E7DDBA

Deuteranopia (green-blind)

#D4CFBF

Tritanopia (blue-blind)

#1DEDDE

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #66ecbc;
/* rgb */ color: rgb(102, 236, 188);
/* oklch */ color: oklch(85.6% 0.137 166.7);

Tailwind

colors: {
  custom: {
    50: '#9cf3d0',
    500: '#66ecbc',
    950: '#000000',
  },
}

SCSS

$custom: #66ecbc;
$custom-light: #9cf3d0;
$custom-dark: #000000;

JSON

{
  "hex": "#66ecbc",
  "rgb": {
    "r": 102,
    "g": 236,
    "b": 188
  },
  "hsl": {
    "h": 158.507,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.85557,
    "c": 0.13709,
    "h": 166.7
  },
  "luminance": 0.66447
}

Semantic roles & 50–950 ramp

primary

#66ECBC

secondary

#BE3868

accent

#0B55DA

background

#FCFFFE

surface

#F6FEFB

border

#D0D6D4

text

#0F1714

muted

#808583

Preview Lab

Preview with #66ECBC

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

Preview Lab → · Contrast checker → · Palette generator →