#66E9D9#66E9D9

#66E9D9 is a very light, moderate teal. Relative luminance 0.661; OKLCH L 85.7% C 0.118 H 184.4°. Best body text is #000000 at 14.22:1 contrast (WCAG AA passes).

Color values

HEX	#66E9D9
RGB	rgb(102, 233, 217)
HSL	hsl(173, 75%, 66%)
HSV	hsv(173, 56%, 91%)
CMYK	cmyk(56.2%, 0%, 6.9%, 8.6%)
CIE-LAB	lab(85.05, -39.79, -3.11)
CIE-LCH	lch(85.05, 39.92, 184.47°)
OKLab	oklab(85.65% -0.1175 -0.009)
OKLCH	oklch(85.65% 0.118 184.4)
XYZ	xyz(47.1373, 66.1077, 75.9081)
Luminance	0.6611 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E9D9 #E96676

analogous

#66E997 #66E9D9 #66B7E9

triadic

#66E9D9 #D966E9 #E9D966

tetradic

#66E9D9 #9766E9 #E96676 #B7E966

square

#66E9D9 #9766E9 #E96676 #B7E966

split-complementary

#66E9D9 #E966B7 #E99766

monochromatic

#1BBAA6 #30E1CC #66E9D9 #9CF1E6 #D1F8F4

Accessibility & contrast

On white

1.48

#66E9D9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.22

#66E9D9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E9D9

14.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E9D9	#FFFFFF	#000000	##000000
##66E9D9	1.00	1.48	14.22	14.22
#FFFFFF	1.48	1.00	21.00	21.00
#000000	14.22	21.00	1.00	1.00
##000000	14.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFDDD8

Deuteranopia (green-blind)

#CACEDB

Tritanopia (blue-blind)

#00EDE4

Achromatopsia (no color)

#D4D4D4

Design tokens & code

CSS

--color: #66e9d9;
/* rgb */ color: rgb(102, 233, 217);
/* oklch */ color: oklch(85.7% 0.118 184.4);

Tailwind

colors: {
  custom: {
    50: '#9df0e4',
    500: '#66e9d9',
    950: '#000000',
  },
}

SCSS

$custom: #66e9d9;
$custom-light: #9df0e4;
$custom-dark: #000000;

JSON

{
  "hex": "#66e9d9",
  "rgb": {
    "r": 102,
    "g": 233,
    "b": 217
  },
  "hsl": {
    "h": 172.672,
    "s": 74.857,
    "l": 65.686
  },
  "oklch": {
    "l": 0.85651,
    "c": 0.11785,
    "h": 184.4
  },
  "luminance": 0.66112
}

Semantic roles & 50–950 ramp

primary

#66E9D9

secondary

#B93A49

accent

#0E27D7

background

#FCFFFE

surface

#F6FEFC

border

#D0D6D5

text

#0F1715

muted

#808584

Preview Lab

Preview with #66E9D9

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

Preview Lab → · Contrast checker → · Palette generator →