#66EFBF#66EFBF

#66EFBF is a very light, vivid teal. Relative luminance 0.683; OKLCH L 86.3% C 0.139 H 167.1°. Best body text is #000000 at 14.66:1 contrast (WCAG AA passes).

Color values

HEX	#66EFBF
RGB	rgb(102, 239, 191)
HSL	hsl(159, 81%, 67%)
HSV	hsv(159, 57%, 94%)
CMYK	cmyk(57.3%, 0%, 20.1%, 6.3%)
CIE-LAB	lab(86.16, -48.52, 12.13)
CIE-LCH	lch(86.16, 50.01, 165.97°)
OKLab	oklab(86.35% -0.1352 0.0311)
OKLCH	oklch(86.35% 0.139 167.1)
XYZ	xyz(45.7454, 68.3149, 60.0555)
Luminance	0.6832 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EFBF #EF6696

analogous

#66EF7B #66EFBF #66DBEF

triadic

#66EFBF #BF66EF #EFBF66

tetradic

#66EFBF #7B66EF #EF6696 #DBEF66

square

#66EFBF #7B66EF #EF6696 #DBEF66

split-complementary

#66EFBF #EF66DB #EF7B66

monochromatic

#15C688 #2FE9A8 #66EFBF #9DF5D6 #D5FBED

Accessibility & contrast

On white

1.43

#66EFBF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.66

#66EFBF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EFBF

14.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EFBF	#FFFFFF	#000000	##000000
##66EFBF	1.00	1.43	14.66	14.66
#FFFFFF	1.43	1.00	21.00	21.00
#000000	14.66	21.00	1.00	1.00
##000000	14.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EAE0BD

Deuteranopia (green-blind)

#D6D2C2

Tritanopia (blue-blind)

#15F0E1

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #66efbf;
/* rgb */ color: rgb(102, 239, 191);
/* oklch */ color: oklch(86.3% 0.139 167.1);

Tailwind

colors: {
  custom: {
    50: '#9df5d2',
    500: '#66efbf',
    950: '#000000',
  },
}

SCSS

$custom: #66efbf;
$custom-light: #9df5d2;
$custom-dark: #000000;

JSON

{
  "hex": "#66efbf",
  "rgb": {
    "r": 102,
    "g": 239,
    "b": 191
  },
  "hsl": {
    "h": 158.978,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.86347,
    "c": 0.13872,
    "h": 167.1
  },
  "luminance": 0.68319
}

Semantic roles & 50–950 ramp

primary

#66EFBF

secondary

#C33667

accent

#0853DD

background

#FCFFFE

surface

#F6FEFB

border

#D0D6D4

text

#0F1714

muted

#808583

Preview Lab

Preview with #66EFBF

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

Preview Lab → · Contrast checker → · Palette generator →