#66CF8A#66CF8A

#66CF8A is a light, vivid green. Relative luminance 0.493; OKLCH L 77.4% C 0.140 H 153.0°. Best body text is #000000 at 10.86:1 contrast (WCAG AA passes).

Color values

HEX	#66CF8A
RGB	rgb(102, 207, 138)
HSL	hsl(141, 52%, 61%)
HSV	hsv(141, 51%, 81%)
CMYK	cmyk(50.7%, 0%, 33.3%, 18.8%)
CIE-LAB	lab(75.63, -45.75, 25.22)
CIE-LCH	lch(75.63, 52.24, 151.13°)
OKLab	oklab(77.4% -0.1245 0.0635)
OKLCH	oklch(77.4% 0.14 153)
XYZ	xyz(32.3774, 49.2828, 31.8462)
Luminance	0.4929 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CF8A #CF66AB

analogous

#76CF66 #66CF8A #66CFBE

triadic

#66CF8A #8A66CF #CF8A66

tetradic

#66CF8A #6676CF #CF66AB #CFBE66

square

#66CF8A #6676CF #CF66AB #CFBE66

split-complementary

#66CF8A #BE66CF #CF6676

monochromatic

#2D8E4E #3BBD68 #66CF8A #95DEAE #C3ECD1

Accessibility & contrast

On white

1.93

#66CF8A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.86

#66CF8A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CF8A

10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CF8A	#FFFFFF	#000000	##000000
##66CF8A	1.00	1.93	10.86	10.86
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.86	21.00	1.00	1.00
##000000	10.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFC186

Deuteranopia (green-blind)

#C0B68E

Tritanopia (blue-blind)

#4DCDBD

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #66cf8a;
/* rgb */ color: rgb(102, 207, 138);
/* oklch */ color: oklch(77.4% 0.140 153.0);

Tailwind

colors: {
  custom: {
    50: '#98deac',
    500: '#66cf8a',
    950: '#000000',
  },
}

SCSS

$custom: #66cf8a;
$custom-light: #98deac;
$custom-dark: #000000;

JSON

{
  "hex": "#66cf8a",
  "rgb": {
    "r": 102,
    "g": 207,
    "b": 138
  },
  "hsl": {
    "h": 140.571,
    "s": 52.239,
    "l": 60.588
  },
  "oklch": {
    "l": 0.77398,
    "c": 0.13976,
    "h": 153
  },
  "luminance": 0.49285
}

Semantic roles & 50–950 ramp

primary

#66CF8A

secondary

#DCB4CF

accent

#268BC0

background

#F9FDFA

surface

#F2FBF4

border

#CCD4CE

text

#0E1510

muted

#7E837F

Preview Lab

Preview with #66CF8A

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

Preview Lab → · Contrast checker → · Palette generator →