#66F9E9#66F9E9

#66F9E9 is a very light, vivid teal. Relative luminance 0.765; OKLCH L 89.9% C 0.128 H 185.3°. Best body text is #000000 at 16.29:1 contrast (WCAG AA passes).

Color values

HEX	#66F9E9
RGB	rgb(102, 249, 233)
HSL	hsl(173, 92%, 69%)
HSV	hsv(173, 59%, 98%)
CMYK	cmyk(59%, 0%, 6.4%, 2.4%)
CIE-LAB	lab(90.07, -42.94, -4.11)
CIE-LCH	lch(90.07, 43.13, 185.47°)
OKLab	oklab(89.86% -0.1272 -0.0118)
OKLCH	oklch(89.86% 0.128 185.3)
XYZ	xyz(54.0565, 76.4537, 88.9832)
Luminance	0.7646 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F9E9 #F96676

analogous

#66F9A0 #66F9E9 #66C0F9

triadic

#66F9E9 #E966F9 #F9E966

tetradic

#66F9E9 #A066F9 #F96676 #C0F966

square

#66F9E9 #A066F9 #F96676 #C0F966

split-complementary

#66F9E9 #F966C0 #F9A066

monochromatic

#09DCC5 #2BF7E1 #66F9E9 #A1FBF1 #DCFEFA

Accessibility & contrast

On white

1.29

#66F9E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.29

#66F9E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F9E9

16.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F9E9	#FFFFFF	#000000	##000000
##66F9E9	1.00	1.29	16.29	16.29
#FFFFFF	1.29	1.00	21.00	21.00
#000000	16.29	21.00	1.00	1.00
##000000	16.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EDECE9

Deuteranopia (green-blind)

#D7DCEB

Tritanopia (blue-blind)

#00FEF4

Achromatopsia (no color)

#E3E3E3

Design tokens & code

CSS

--color: #66f9e9;
/* rgb */ color: rgb(102, 249, 233);
/* oklch */ color: oklch(89.9% 0.128 185.3);

Tailwind

colors: {
  custom: {
    50: '#a0fcf0',
    500: '#66f9e9',
    950: '#000000',
  },
}

SCSS

$custom: #66f9e9;
$custom-light: #a0fcf0;
$custom-dark: #000000;

JSON

{
  "hex": "#66f9e9",
  "rgb": {
    "r": 102,
    "g": 249,
    "b": 233
  },
  "hsl": {
    "h": 173.469,
    "s": 92.453,
    "l": 68.824
  },
  "oklch": {
    "l": 0.8986,
    "c": 0.12771,
    "h": 185.3
  },
  "luminance": 0.76459
}

Semantic roles & 50–950 ramp

primary

#66F9E9

secondary

#D33042

accent

#0019E6

background

#FDFFFF

surface

#F7FFFE

border

#D0D7D6

text

#101716

muted

#818585

Preview Lab

Preview with #66F9E9

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

Preview Lab → · Contrast checker → · Palette generator →