#66F981#66F981

#66F981 is a very light, highly saturated green. Relative luminance 0.722; OKLCH L 87.5% C 0.205 H 147.1°. Best body text is #000000 at 15.43:1 contrast (WCAG AA passes).

Color values

HEX	#66F981
RGB	rgb(102, 249, 129)
HSL	hsl(131, 92%, 69%)
HSV	hsv(131, 59%, 98%)
CMYK	cmyk(59%, 0%, 48.2%, 2.4%)
CIE-LAB	lab(88.04, -63.70, 45.85)
CIE-LCH	lch(88.04, 78.48, 144.25°)
OKLab	oklab(87.54% -0.1722 0.1113)
OKLCH	oklch(87.54% 0.205 147.1)
XYZ	xyz(43.3147, 72.1570, 32.4097)
Luminance	0.7216 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F981 #F966DE

analogous

#95F966 #66F981 #66F9CA

triadic

#66F981 #8166F9 #F98166

tetradic

#66F981 #6695F9 #F966DE #F9CA66

square

#66F981 #6695F9 #F966DE #F9CA66

split-complementary

#66F981 #CA66F9 #F96695

monochromatic

#09DC2F #2BF751 #66F981 #A1FBB1 #DCFEE2

Accessibility & contrast

On white

1.36

#66F981 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.43

#66F981 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F981

15.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F981	#FFFFFF	#000000	##000000
##66F981	1.00	1.36	15.43	15.43
#FFFFFF	1.36	1.00	21.00	21.00
#000000	15.43	21.00	1.00	1.00
##000000	15.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCE577

Deuteranopia (green-blind)

#E9D889

Tritanopia (blue-blind)

#42F4DD

Achromatopsia (no color)

#DDDDDD

Design tokens & code

CSS

--color: #66f981;
/* rgb */ color: rgb(102, 249, 129);
/* oklch */ color: oklch(87.5% 0.205 147.1);

Tailwind

colors: {
  custom: {
    50: '#9efca7',
    500: '#66f981',
    950: '#000000',
  },
}

SCSS

$custom: #66f981;
$custom-light: #9efca7;
$custom-dark: #000000;

JSON

{
  "hex": "#66f981",
  "rgb": {
    "r": 102,
    "g": 249,
    "b": 129
  },
  "hsl": {
    "h": 131.02,
    "s": 92.453,
    "l": 68.824
  },
  "oklch": {
    "l": 0.87538,
    "c": 0.20505,
    "h": 147.1
  },
  "luminance": 0.72161
}

Semantic roles & 50–950 ramp

primary

#66F981

secondary

#D330B5

accent

#00BBE6

background

#FDFFFC

surface

#F7FFF6

border

#D0D7D0

text

#101810

muted

#818680

Preview Lab

Preview with #66F981

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

Preview Lab → · Contrast checker → · Palette generator →