#66F9A4#66F9A4

#66F9A4 is a very light, vivid green. Relative luminance 0.733; OKLCH L 88.1% C 0.174 H 154.9°. Best body text is #000000 at 15.65:1 contrast (WCAG AA passes).

Color values

HEX	#66F9A4
RGB	rgb(102, 249, 164)
HSL	hsl(145, 92%, 69%)
HSV	hsv(145, 59%, 98%)
CMYK	cmyk(59%, 0%, 34.1%, 2.4%)
CIE-LAB	lab(88.57, -58.01, 29.32)
CIE-LCH	lch(88.57, 65.00, 153.18°)
OKLab	oklab(88.14% -0.1575 0.0737)
OKLCH	oklch(88.14% 0.174 154.9)
XYZ	xyz(46.0522, 73.2520, 46.8269)
Luminance	0.7326 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F9A4 #F966BB

analogous

#72F966 #66F9A4 #66F9EE

triadic

#66F9A4 #A466F9 #F9A466

tetradic

#66F9A4 #6672F9 #F966BB #F9EE66

square

#66F9A4 #6672F9 #F966BB #F9EE66

split-complementary

#66F9A4 #EE66F9 #F96672

monochromatic

#09DC62 #2BF781 #66F9A4 #A1FBC7 #DCFEEA

Accessibility & contrast

On white

1.34

#66F9A4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.65

#66F9A4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F9A4

15.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F9A4	#FFFFFF	#000000	##000000
##66F9A4	1.00	1.34	15.65	15.65
#FFFFFF	1.34	1.00	21.00	21.00
#000000	15.65	21.00	1.00	1.00
##000000	15.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F8E79F

Deuteranopia (green-blind)

#E4D9A9

Tritanopia (blue-blind)

#2EF7E3

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #66f9a4;
/* rgb */ color: rgb(102, 249, 164);
/* oklch */ color: oklch(88.1% 0.174 154.9);

Tailwind

colors: {
  custom: {
    50: '#9efcbf',
    500: '#66f9a4',
    950: '#000000',
  },
}

SCSS

$custom: #66f9a4;
$custom-light: #9efcbf;
$custom-dark: #000000;

JSON

{
  "hex": "#66f9a4",
  "rgb": {
    "r": 102,
    "g": 249,
    "b": 164
  },
  "hsl": {
    "h": 145.306,
    "s": 92.453,
    "l": 68.824
  },
  "oklch": {
    "l": 0.88139,
    "c": 0.1739,
    "h": 154.9
  },
  "luminance": 0.73256
}

Semantic roles & 50–950 ramp

primary

#66F9A4

secondary

#D3308E

accent

#0085E6

background

#FCFFFD

surface

#F6FFF9

border

#D0D7D2

text

#101812

muted

#808682

Preview Lab

Preview with #66F9A4

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

Preview Lab → · Contrast checker → · Palette generator →