#66DCD9#66DCD9

#66DCD9 is a very light, moderate teal. Relative luminance 0.590; OKLCH L 82.6% C 0.106 H 193.0°. Best body text is #000000 at 12.80:1 contrast (WCAG AA passes).

Color values

HEX	#66DCD9
RGB	rgb(102, 220, 217)
HSL	hsl(178, 63%, 63%)
HSV	hsv(178, 54%, 86%)
CMYK	cmyk(53.6%, 0%, 1.4%, 13.7%)
CIE-LAB	lab(81.30, -33.81, -8.65)
CIE-LCH	lch(81.30, 34.90, 194.36°)
OKLab	oklab(82.62% -0.1037 -0.024)
OKLCH	oklch(82.62% 0.106 193)
XYZ	xyz(43.5918, 59.0167, 74.7263)
Luminance	0.5902 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DCD9 #DC6669

analogous

#66DC9E #66DCD9 #66A4DC

triadic

#66DCD9 #D966DC #DCD966

tetradic

#66DCD9 #9E66DC #DC6669 #A4DC66

square

#66DCD9 #9E66DC #DC6669 #A4DC66

split-complementary

#66DCD9 #DC66A4 #DC9E66

monochromatic

#25A29F #34D1CD #66DCD9 #98E7E5 #CAF3F2

Accessibility & contrast

On white

1.64

#66DCD9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.80

#66DCD9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DCD9

12.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DCD9	#FFFFFF	#000000	##000000
##66DCD9	1.00	1.64	12.80	12.80
#FFFFFF	1.64	1.00	21.00	21.00
#000000	12.80	21.00	1.00	1.00
##000000	12.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0D2D9

Deuteranopia (green-blind)

#BDC4DA

Tritanopia (blue-blind)

#00E2DB

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #66dcd9;
/* rgb */ color: rgb(102, 220, 217);
/* oklch */ color: oklch(82.6% 0.106 193.0);

Tailwind

colors: {
  custom: {
    50: '#9ce7e4',
    500: '#66dcd9',
    950: '#000000',
  },
}

SCSS

$custom: #66dcd9;
$custom-light: #9ce7e4;
$custom-dark: #000000;

JSON

{
  "hex": "#66dcd9",
  "rgb": {
    "r": 102,
    "g": 220,
    "b": 217
  },
  "hsl": {
    "h": 178.475,
    "s": 62.766,
    "l": 63.137
  },
  "oklch": {
    "l": 0.82617,
    "c": 0.10647,
    "h": 193
  },
  "luminance": 0.59021
}

Semantic roles & 50–950 ramp

primary

#66DCD9

secondary

#A64143

accent

#1B1FCB

background

#FCFEFE

surface

#F6FCFC

border

#D0D5D5

text

#0F1615

muted

#808484

Preview Lab

Preview with #66DCD9

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

Preview Lab → · Contrast checker → · Palette generator →