#66ECC7#66ECC7

#66ECC7 is a very light, vivid teal. Relative luminance 0.669; OKLCH L 85.8% C 0.130 H 172.2°. Best body text is #000000 at 14.39:1 contrast (WCAG AA passes).

Color values

HEX	#66ECC7
RGB	rgb(102, 236, 199)
HSL	hsl(163, 78%, 66%)
HSV	hsv(163, 57%, 93%)
CMYK	cmyk(56.8%, 0%, 15.7%, 7.5%)
CIE-LAB	lab(85.47, -45.44, 6.96)
CIE-LCH	lch(85.47, 45.97, 171.30°)
OKLab	oklab(85.84% -0.1285 0.0177)
OKLCH	oklch(85.84% 0.13 172.2)
XYZ	xyz(45.7789, 66.9347, 64.5289)
Luminance	0.6694 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66ECC7 #EC668B

analogous

#66EC84 #66ECC7 #66CEEC

triadic

#66ECC7 #C766EC #ECC766

tetradic

#66ECC7 #8466EC #EC668B #CEEC66

square

#66ECC7 #8466EC #EC668B #CEEC66

split-complementary

#66ECC7 #EC66CE #EC8466

monochromatic

#18C091 #30E5B3 #66ECC7 #9CF3DB #D3FAEF

Accessibility & contrast

On white

1.46

#66ECC7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.39

#66ECC7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66ECC7

14.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66ECC7	#FFFFFF	#000000	##000000
##66ECC7	1.00	1.46	14.39	14.39
#FFFFFF	1.46	1.00	21.00	21.00
#000000	14.39	21.00	1.00	1.00
##000000	14.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5DEC5

Deuteranopia (green-blind)

#D1D0CA

Tritanopia (blue-blind)

#01EEE1

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #66ecc7;
/* rgb */ color: rgb(102, 236, 199);
/* oklch */ color: oklch(85.8% 0.130 172.2);

Tailwind

colors: {
  custom: {
    50: '#9df3d8',
    500: '#66ecc7',
    950: '#000000',
  },
}

SCSS

$custom: #66ecc7;
$custom-light: #9df3d8;
$custom-dark: #000000;

JSON

{
  "hex": "#66ecc7",
  "rgb": {
    "r": 102,
    "g": 236,
    "b": 199
  },
  "hsl": {
    "h": 163.433,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.85843,
    "c": 0.12971,
    "h": 172.2
  },
  "luminance": 0.66939
}

Semantic roles & 50–950 ramp

primary

#66ECC7

secondary

#BE385D

accent

#0B44DA

background

#FCFFFE

surface

#F6FEFB

border

#D0D6D4

text

#0F1714

muted

#808583

Preview Lab

Preview with #66ECC7

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

Preview Lab → · Contrast checker → · Palette generator →