#66FDC9#66FDC9

#66FDC9 is a very light, vivid teal. Relative luminance 0.773; OKLCH L 89.9% C 0.149 H 167.1°. Best body text is #000000 at 16.46:1 contrast (WCAG AA passes).

Color values

HEX	#66FDC9
RGB	rgb(102, 253, 201)
HSL	hsl(159, 97%, 70%)
HSV	hsv(159, 60%, 99%)
CMYK	cmyk(59.7%, 0%, 20.6%, 0.8%)
CIE-LAB	lab(90.45, -52.17, 13.03)
CIE-LCH	lch(90.45, 53.78, 165.98°)
OKLab	oklab(89.92% -0.1452 0.0334)
OKLCH	oklch(89.92% 0.149 167.1)
XYZ	xyz(51.1421, 77.2872, 67.4697)
Luminance	0.7729 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FDC9 #FD669A

analogous

#66FD7E #66FDC9 #66E5FD

triadic

#66FDC9 #C966FD #FDC966

tetradic

#66FDC9 #7E66FD #FD669A #E5FD66

square

#66FDC9 #7E66FD #FD669A #E5FD66

split-complementary

#66FDC9 #FD66E5 #FD7E66

monochromatic

#03E698 #2AFCB4 #66FDC9 #A2FEDE #DFFFF4

Accessibility & contrast

On white

1.28

#66FDC9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.46

#66FDC9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FDC9

16.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FDC9	#FFFFFF	#000000	##000000
##66FDC9	1.00	1.28	16.46	16.46
#FFFFFF	1.28	1.00	21.00	21.00
#000000	16.46	21.00	1.00	1.00
##000000	16.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F8EDC6

Deuteranopia (green-blind)

#E2DDCC

Tritanopia (blue-blind)

#00FEEE

Achromatopsia (no color)

#E4E4E4

Design tokens & code

CSS

--color: #66fdc9;
/* rgb */ color: rgb(102, 253, 201);
/* oklch */ color: oklch(89.9% 0.149 167.1);

Tailwind

colors: {
  custom: {
    50: '#9fffd9',
    500: '#66fdc9',
    950: '#000000',
  },
}

SCSS

$custom: #66fdc9;
$custom-light: #9fffd9;
$custom-dark: #000000;

JSON

{
  "hex": "#66fdc9",
  "rgb": {
    "r": 102,
    "g": 253,
    "b": 201
  },
  "hsl": {
    "h": 159.338,
    "s": 97.419,
    "l": 69.608
  },
  "oklch": {
    "l": 0.89919,
    "c": 0.14897,
    "h": 167.1
  },
  "luminance": 0.77292
}

Semantic roles & 50–950 ramp

primary

#66FDC9

secondary

#D82F69

accent

#004FE6

background

#FDFFFE

surface

#F7FFFB

border

#D0D7D4

text

#101814

muted

#818683

Preview Lab

Preview with #66FDC9

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

Preview Lab → · Contrast checker → · Palette generator →