#66F9CF#66F9CF

#66F9CF is a very light, vivid teal. Relative luminance 0.751; OKLCH L 89.1% C 0.140 H 171.1°. Best body text is #000000 at 16.02:1 contrast (WCAG AA passes).

Color values

HEX	#66F9CF
RGB	rgb(102, 249, 207)
HSL	hsl(163, 92%, 69%)
HSV	hsv(163, 59%, 98%)
CMYK	cmyk(59%, 0%, 16.9%, 2.4%)
CIE-LAB	lab(89.43, -49.17, 8.47)
CIE-LCH	lch(89.43, 49.89, 170.23°)
OKLab	oklab(89.13% -0.1384 0.0216)
OKLCH	oklch(89.13% 0.14 171.1)
XYZ	xyz(50.6122, 75.0760, 70.8432)
Luminance	0.7508 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F9CF #F96690

analogous

#66F986 #66F9CF #66DAF9

triadic

#66F9CF #CF66F9 #F9CF66

tetradic

#66F9CF #8666F9 #F96690 #DAF966

square

#66F9CF #8666F9 #F96690 #DAF966

split-complementary

#66F9CF #F966DA #F98666

monochromatic

#09DCA0 #2BF7BD #66F9CF #A1FBE1 #DCFEF4

Accessibility & contrast

On white

1.31

#66F9CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.02

#66F9CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F9CF

16.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F9CF	#FFFFFF	#000000	##000000
##66F9CF	1.00	1.31	16.02	16.02
#FFFFFF	1.31	1.00	21.00	21.00
#000000	16.02	21.00	1.00	1.00
##000000	16.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2EACD

Deuteranopia (green-blind)

#DDDAD2

Tritanopia (blue-blind)

#00FBED

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #66f9cf;
/* rgb */ color: rgb(102, 249, 207);
/* oklch */ color: oklch(89.1% 0.140 171.1);

Tailwind

colors: {
  custom: {
    50: '#9efcdd',
    500: '#66f9cf',
    950: '#000000',
  },
}

SCSS

$custom: #66f9cf;
$custom-light: #9efcdd;
$custom-dark: #000000;

JSON

{
  "hex": "#66f9cf",
  "rgb": {
    "r": 102,
    "g": 249,
    "b": 207
  },
  "hsl": {
    "h": 162.857,
    "s": 92.453,
    "l": 68.824
  },
  "oklch": {
    "l": 0.89127,
    "c": 0.14012,
    "h": 171.1
  },
  "luminance": 0.75081
}

Semantic roles & 50–950 ramp

primary

#66F9CF

secondary

#D3305F

accent

#0042E6

background

#FDFFFE

surface

#F7FFFC

border

#D0D7D5

text

#101715

muted

#818584

Preview Lab

Preview with #66F9CF

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

Preview Lab → · Contrast checker → · Palette generator →