#66FDB5#66FDB5

#66FDB5 is a very light, vivid teal. Relative luminance 0.764; OKLCH L 89.5% C 0.165 H 159.5°. Best body text is #000000 at 16.28:1 contrast (WCAG AA passes).

Color values

HEX	#66FDB5
RGB	rgb(102, 253, 181)
HSL	hsl(151, 97%, 70%)
HSV	hsv(151, 60%, 99%)
CMYK	cmyk(59.7%, 0%, 28.5%, 0.8%)
CIE-LAB	lab(90.05, -56.35, 22.72)
CIE-LCH	lch(90.05, 60.75, 158.04°)
OKLab	oklab(89.45% -0.154 0.0577)
OKLCH	oklch(89.45% 0.165 159.5)
XYZ	xyz(48.9408, 76.4067, 55.8759)
Luminance	0.7641 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FDB5 #FD66AE

analogous

#66FD6A #66FDB5 #66F9FD

triadic

#66FDB5 #B566FD #FDB566

tetradic

#66FDB5 #6A66FD #FD66AE #F9FD66

square

#66FDB5 #6A66FD #FD66AE #F9FD66

split-complementary

#66FDB5 #FD66F9 #FD6A66

monochromatic

#03E67A #2AFC98 #66FDB5 #A2FED2 #DFFFEF

Accessibility & contrast

On white

1.29

#66FDB5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.28

#66FDB5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FDB5

16.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FDB5	#FFFFFF	#000000	##000000
##66FDB5	1.00	1.29	16.28	16.28
#FFFFFF	1.29	1.00	21.00	21.00
#000000	16.28	21.00	1.00	1.00
##000000	16.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FAEBB1

Deuteranopia (green-blind)

#E6DDBA

Tritanopia (blue-blind)

#17FCEA

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #66fdb5;
/* rgb */ color: rgb(102, 253, 181);
/* oklch */ color: oklch(89.5% 0.165 159.5);

Tailwind

colors: {
  custom: {
    50: '#9effcb',
    500: '#66fdb5',
    950: '#000000',
  },
}

SCSS

$custom: #66fdb5;
$custom-light: #9effcb;
$custom-dark: #000000;

JSON

{
  "hex": "#66fdb5",
  "rgb": {
    "r": 102,
    "g": 253,
    "b": 181
  },
  "hsl": {
    "h": 151.391,
    "s": 97.419,
    "l": 69.608
  },
  "oklch": {
    "l": 0.89453,
    "c": 0.16452,
    "h": 159.5
  },
  "luminance": 0.76412
}

Semantic roles & 50–950 ramp

primary

#66FDB5

secondary

#D82F80

accent

#006DE6

background

#FCFFFE

surface

#F6FFFA

border

#D0D7D3

text

#101813

muted

#808683

Preview Lab

Preview with #66FDB5

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

Preview Lab → · Contrast checker → · Palette generator →