#66FBE9#66FBE9

#66FBE9 is a very light, vivid teal. Relative luminance 0.777; OKLCH L 90.3% C 0.130 H 184.2°. Best body text is #000000 at 16.54:1 contrast (WCAG AA passes).

Color values

HEX	#66FBE9
RGB	rgb(102, 251, 233)
HSL	hsl(173, 95%, 69%)
HSV	hsv(173, 59%, 98%)
CMYK	cmyk(59.4%, 0%, 7.2%, 1.6%)
CIE-LAB	lab(90.64, -43.82, -3.27)
CIE-LCH	lch(90.64, 43.94, 184.27°)
OKLab	oklab(90.32% -0.1292 -0.0095)
OKLCH	oklch(90.32% 0.13 184.2)
XYZ	xyz(54.6780, 77.6967, 89.1904)
Luminance	0.7770 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FBE9 #FB6678

analogous

#66FB9F #66FBE9 #66C2FB

triadic

#66FBE9 #E966FB #FBE966

tetradic

#66FBE9 #9F66FB #FB6678 #C2FB66

square

#66FBE9 #9F66FB #FB6678 #C2FB66

split-complementary

#66FBE9 #FB66C2 #FB9F66

monochromatic

#06E1C6 #2AF9E0 #66FBE9 #A2FDF2 #DDFEFA

Accessibility & contrast

On white

1.27

#66FBE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.54

#66FBE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FBE9

16.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FBE9	#FFFFFF	#000000	##000000
##66FBE9	1.00	1.27	16.54	16.54
#FFFFFF	1.27	1.00	21.00	21.00
#000000	16.54	21.00	1.00	1.00
##000000	16.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F0EEE8

Deuteranopia (green-blind)

#D9DDEB

Tritanopia (blue-blind)

#00FFF5

Achromatopsia (no color)

#E4E4E4

Design tokens & code

CSS

--color: #66fbe9;
/* rgb */ color: rgb(102, 251, 233);
/* oklch */ color: oklch(90.3% 0.130 184.2);

Tailwind

colors: {
  custom: {
    50: '#a0fdf0',
    500: '#66fbe9',
    950: '#000000',
  },
}

SCSS

$custom: #66fbe9;
$custom-light: #a0fdf0;
$custom-dark: #000000;

JSON

{
  "hex": "#66fbe9",
  "rgb": {
    "r": 102,
    "g": 251,
    "b": 233
  },
  "hsl": {
    "h": 172.752,
    "s": 94.904,
    "l": 69.216
  },
  "oklch": {
    "l": 0.90324,
    "c": 0.12955,
    "h": 184.2
  },
  "luminance": 0.77702
}

Semantic roles & 50–950 ramp

primary

#66FBE9

secondary

#D53044

accent

#001CE6

background

#FDFFFF

surface

#F7FFFE

border

#D0D7D6

text

#101816

muted

#818685

Preview Lab

Preview with #66FBE9

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

Preview Lab → · Contrast checker → · Palette generator →