#66FCC9#66FCC9

#66FCC9 is a very light, vivid teal. Relative luminance 0.767; OKLCH L 89.7% C 0.148 H 167.4°. Best body text is #000000 at 16.33:1 contrast (WCAG AA passes).

Color values

HEX	#66FCC9
RGB	rgb(102, 252, 201)
HSL	hsl(160, 96%, 69%)
HSV	hsv(160, 60%, 99%)
CMYK	cmyk(59.5%, 0%, 20.2%, 1.2%)
CIE-LAB	lab(90.16, -51.76, 12.62)
CIE-LCH	lch(90.16, 53.28, 166.30°)
OKLab	oklab(89.68% -0.1442 0.0323)
OKLCH	oklch(89.68% 0.148 167.4)
XYZ	xyz(50.8273, 76.6575, 67.3648)
Luminance	0.7666 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FCC9 #FC6699

analogous

#66FC7E #66FCC9 #66E4FC

triadic

#66FCC9 #C966FC #FCC966

tetradic

#66FCC9 #7E66FC #FC6699 #E4FC66

square

#66FCC9 #7E66FC #FC6699 #E4FC66

split-complementary

#66FCC9 #FC66E4 #FC7E66

monochromatic

#04E397 #2AFBB4 #66FCC9 #A2FDDE #DEFEF3

Accessibility & contrast

On white

1.29

#66FCC9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.33

#66FCC9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FCC9

16.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FCC9	#FFFFFF	#000000	##000000
##66FCC9	1.00	1.29	16.33	16.33
#FFFFFF	1.29	1.00	21.00	21.00
#000000	16.33	21.00	1.00	1.00
##000000	16.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F6ECC6

Deuteranopia (green-blind)

#E1DDCC

Tritanopia (blue-blind)

#00FDEE

Achromatopsia (no color)

#E3E3E3

Design tokens & code

CSS

--color: #66fcc9;
/* rgb */ color: rgb(102, 252, 201);
/* oklch */ color: oklch(89.7% 0.148 167.4);

Tailwind

colors: {
  custom: {
    50: '#9ffed9',
    500: '#66fcc9',
    950: '#000000',
  },
}

SCSS

$custom: #66fcc9;
$custom-light: #9ffed9;
$custom-dark: #000000;

JSON

{
  "hex": "#66fcc9",
  "rgb": {
    "r": 102,
    "g": 252,
    "b": 201
  },
  "hsl": {
    "h": 159.6,
    "s": 96.154,
    "l": 69.412
  },
  "oklch": {
    "l": 0.89682,
    "c": 0.14774,
    "h": 167.4
  },
  "luminance": 0.76663
}

Semantic roles & 50–950 ramp

primary

#66FCC9

secondary

#D63068

accent

#004EE6

background

#FDFFFE

surface

#F7FFFB

border

#D0D7D4

text

#101814

muted

#818683

Preview Lab

Preview with #66FCC9

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

Preview Lab → · Contrast checker → · Palette generator →