#66E6DF#66E6DF

#66E6DF is a very light, moderate teal. Relative luminance 0.647; OKLCH L 85.1% C 0.114 H 190.3°. Best body text is #000000 at 13.95:1 contrast (WCAG AA passes).

Color values

HEX	#66E6DF
RGB	rgb(102, 230, 223)
HSL	hsl(177, 72%, 65%)
HSV	hsv(177, 56%, 90%)
CMYK	cmyk(55.7%, 0%, 3%, 9.8%)
CIE-LAB	lab(84.35, -36.91, -7.31)
CIE-LCH	lch(84.35, 37.62, 191.21°)
OKLab	oklab(85.14% -0.1118 -0.0204)
OKLCH	oklch(85.14% 0.114 190.3)
XYZ	xyz(47.0898, 64.7415, 79.8125)
Luminance	0.6475 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E6DF #E6666D

analogous

#66E69F #66E6DF #66ADE6

triadic

#66E6DF #DF66E6 #E6DF66

tetradic

#66E6DF #9F66E6 #E6666D #ADE666

square

#66E6DF #9F66E6 #E6666D #ADE666

split-complementary

#66E6DF #E666AD #E69F66

monochromatic

#1DB4AC #31DDD4 #66E6DF #9BEFEA #CFF7F5

Accessibility & contrast

On white

1.51

#66E6DF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.95

#66E6DF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E6DF

13.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E6DF	#FFFFFF	#000000	##000000
##66E6DF	1.00	1.51	13.95	13.95
#FFFFFF	1.51	1.00	21.00	21.00
#000000	13.95	21.00	1.00	1.00
##000000	13.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DADBDF

Deuteranopia (green-blind)

#C6CCE0

Tritanopia (blue-blind)

#00ECE3

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #66e6df;
/* rgb */ color: rgb(102, 230, 223);
/* oklch */ color: oklch(85.1% 0.114 190.3);

Tailwind

colors: {
  custom: {
    50: '#9deee8',
    500: '#66e6df',
    950: '#000000',
  },
}

SCSS

$custom: #66e6df;
$custom-light: #9deee8;
$custom-dark: #000000;

JSON

{
  "hex": "#66e6df",
  "rgb": {
    "r": 102,
    "g": 230,
    "b": 223
  },
  "hsl": {
    "h": 176.719,
    "s": 71.91,
    "l": 65.098
  },
  "oklch": {
    "l": 0.85137,
    "c": 0.11364,
    "h": 190.3
  },
  "luminance": 0.64746
}

Semantic roles & 50–950 ramp

primary

#66E6DF

secondary

#B53C42

accent

#121CD4

background

#FCFFFE

surface

#F6FEFC

border

#D0D6D5

text

#0F1616

muted

#808584

Preview Lab

Preview with #66E6DF

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

Preview Lab → · Contrast checker → · Palette generator →