#66CF60#66CF60

#66CF60 is a light, vivid green. Relative luminance 0.483; OKLCH L 76.7% C 0.179 H 142.6°. Best body text is #000000 at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#66CF60
RGB	rgb(102, 207, 96)
HSL	hsl(117, 54%, 59%)
HSV	hsv(117, 54%, 81%)
CMYK	cmyk(50.7%, 0%, 53.6%, 18.8%)
CIE-LAB	lab(75.01, -52.22, 45.52)
CIE-LCH	lch(75.01, 69.28, 138.92°)
OKLab	oklab(76.69% -0.1422 0.1087)
OKLCH	oklch(76.69% 0.179 142.6)
XYZ	xyz(29.9022, 48.2926, 18.8098)
Luminance	0.4829 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CF60 #C960CF

analogous

#9ECF60 #66CF60 #60CF92

triadic

#66CF60 #6066CF #CF6066

tetradic

#66CF60 #609ECF #C960CF #CF9260

square

#66CF60 #609ECF #C960CF #CF9260

split-complementary

#66CF60 #9260CF #CF609E

monochromatic

#2F8B2A #3FBA38 #66CF60 #93DD8F #C0EBBE

Accessibility & contrast

On white

1.97

#66CF60 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.66

#66CF60 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CF60

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CF60	#FFFFFF	#000000	##000000
##66CF60	1.00	1.97	10.66	10.66
#FFFFFF	1.97	1.00	21.00	21.00
#000000	10.66	21.00	1.00	1.00
##000000	10.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BE56

Deuteranopia (green-blind)

#C5B568

Tritanopia (blue-blind)

#58CAB6

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #66cf60;
/* rgb */ color: rgb(102, 207, 96);
/* oklch */ color: oklch(76.7% 0.179 142.6);

Tailwind

colors: {
  custom: {
    50: '#99de90',
    500: '#66cf60',
    950: '#000000',
  },
}

SCSS

$custom: #66cf60;
$custom-light: #99de90;
$custom-dark: #000000;

JSON

{
  "hex": "#66cf60",
  "rgb": {
    "r": 102,
    "g": 207,
    "b": 96
  },
  "hsl": {
    "h": 116.757,
    "s": 53.623,
    "l": 59.412
  },
  "oklch": {
    "l": 0.76691,
    "c": 0.17902,
    "h": 142.6
  },
  "luminance": 0.48295
}

Semantic roles & 50–950 ramp

primary

#66CF60

secondary

#D9B0DB

accent

#4BDDD5

background

#F9FDF9

surface

#F2FBF1

border

#CCD4CB

text

#0F150D

muted

#7E837E

Preview Lab

Preview with #66CF60

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

Preview Lab → · Contrast checker → · Palette generator →