#66FEE9#66FEE9

#66FEE9 is a very light, vivid teal. Relative luminance 0.796; OKLCH L 91.0% C 0.132 H 182.7°. Best body text is #000000 at 16.92:1 contrast (WCAG AA passes).

Color values

HEX	#66FEE9
RGB	rgb(102, 254, 233)
HSL	hsl(172, 99%, 70%)
HSV	hsv(172, 60%, 100%)
CMYK	cmyk(59.8%, 0%, 8.3%, 0.4%)
CIE-LAB	lab(91.50, -45.13, -2.01)
CIE-LCH	lch(91.50, 45.18, 182.55°)
OKLab	oklab(91.02% -0.1322 -0.0061)
OKLCH	oklch(91.02% 0.132 182.7)
XYZ	xyz(55.6226, 79.5858, 89.5052)
Luminance	0.7959 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FEE9 #FE667B

analogous

#66FE9D #66FEE9 #66C7FE

triadic

#66FEE9 #E966FE #FEE966

tetradic

#66FEE9 #9D66FE #FE667B #C7FE66

square

#66FEE9 #9D66FE #FE667B #C7FE66

split-complementary

#66FEE9 #FE66C7 #FE9D66

monochromatic

#02E8C8 #29FEE0 #66FEE9 #A3FEF2 #E0FFFA

Accessibility & contrast

On white

1.24

#66FEE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.92

#66FEE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FEE9

16.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FEE9	#FFFFFF	#000000	##000000
##66FEE9	1.00	1.24	16.92	16.92
#FFFFFF	1.24	1.00	21.00	21.00
#000000	16.92	21.00	1.00	1.00
##000000	16.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F3F0E8

Deuteranopia (green-blind)

#DCE0EB

Tritanopia (blue-blind)

#00FFF7

Achromatopsia (no color)

#E7E7E7

Design tokens & code

CSS

--color: #66fee9;
/* rgb */ color: rgb(102, 254, 233);
/* oklch */ color: oklch(91.0% 0.132 182.7);

Tailwind

colors: {
  custom: {
    50: '#a0fff0',
    500: '#66fee9',
    950: '#000000',
  },
}

SCSS

$custom: #66fee9;
$custom-light: #a0fff0;
$custom-dark: #000000;

JSON

{
  "hex": "#66fee9",
  "rgb": {
    "r": 102,
    "g": 254,
    "b": 233
  },
  "hsl": {
    "h": 171.711,
    "s": 98.701,
    "l": 69.804
  },
  "oklch": {
    "l": 0.9102,
    "c": 0.13237,
    "h": 182.7
  },
  "luminance": 0.79592
}

Semantic roles & 50–950 ramp

primary

#66FEE9

secondary

#D92F47

accent

#0020E6

background

#FDFFFF

surface

#F7FFFE

border

#D0D7D6

text

#101816

muted

#818685

Preview Lab

Preview with #66FEE9

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

Preview Lab → · Contrast checker → · Palette generator →