#66F4E9#66F4E9

#66F4E9 is a very light, vivid teal. Relative luminance 0.734; OKLCH L 88.7% C 0.123 H 188.1°. Best body text is #000000 at 15.68:1 contrast (WCAG AA passes).

Color values

HEX	#66F4E9
RGB	rgb(102, 244, 233)
HSL	hsl(175, 87%, 68%)
HSV	hsv(175, 58%, 96%)
CMYK	cmyk(58.2%, 0%, 4.5%, 4.3%)
CIE-LAB	lab(88.64, -40.71, -6.22)
CIE-LCH	lch(88.64, 41.18, 188.68°)
OKLab	oklab(88.7% -0.1221 -0.0175)
OKLCH	oklch(88.7% 0.123 188.1)
XYZ	xyz(52.5316, 73.4039, 88.4749)
Luminance	0.7341 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F4E9 #F46671

analogous

#66F4A2 #66F4E9 #66B8F4

triadic

#66F4E9 #E966F4 #F4E966

tetradic

#66F4E9 #A266F4 #F46671 #B8F466

square

#66F4E9 #A266F4 #F46671 #B8F466

split-complementary

#66F4E9 #F466B8 #F4A266

monochromatic

#0FD1C2 #2DF0E1 #66F4E9 #9FF8F1 #D8FCF9

Accessibility & contrast

On white

1.34

#66F4E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.68

#66F4E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F4E9

15.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F4E9	#FFFFFF	#000000	##000000
##66F4E9	1.00	1.34	15.68	15.68
#FFFFFF	1.34	1.00	21.00	21.00
#000000	15.68	21.00	1.00	1.00
##000000	15.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E8E8E9

Deuteranopia (green-blind)

#D2D8EA

Tritanopia (blue-blind)

#00FAF0

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #66f4e9;
/* rgb */ color: rgb(102, 244, 233);
/* oklch */ color: oklch(88.7% 0.123 188.1);

Tailwind

colors: {
  custom: {
    50: '#9ff8f0',
    500: '#66f4e9',
    950: '#000000',
  },
}

SCSS

$custom: #66f4e9;
$custom-light: #9ff8f0;
$custom-dark: #000000;

JSON

{
  "hex": "#66f4e9",
  "rgb": {
    "r": 102,
    "g": 244,
    "b": 233
  },
  "hsl": {
    "h": 175.352,
    "s": 86.585,
    "l": 67.843
  },
  "oklch": {
    "l": 0.88701,
    "c": 0.12332,
    "h": 188.1
  },
  "luminance": 0.73409
}

Semantic roles & 50–950 ramp

primary

#66F4E9

secondary

#CC323E

accent

#0214E3

background

#FDFFFF

surface

#F7FFFE

border

#D0D7D6

text

#101716

muted

#818585

Preview Lab

Preview with #66F4E9

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

Preview Lab → · Contrast checker → · Palette generator →