#66BB71#66BB71

#66BB71 is a light, vivid green. Relative luminance 0.396; OKLCH L 72.0% C 0.135 H 146.9°. Best body text is #000000 at 8.91:1 contrast (WCAG AA passes).

Color values

HEX	#66BB71
RGB	rgb(102, 187, 113)
HSL	hsl(128, 38%, 57%)
HSV	hsv(128, 45%, 73%)
CMYK	cmyk(45.5%, 0%, 39.6%, 26.7%)
CIE-LAB	lab(69.15, -41.51, 29.68)
CIE-LCH	lch(69.15, 51.03, 144.43°)
OKLab	oklab(71.97% -0.1128 0.0736)
OKLCH	oklch(71.97% 0.135 146.9)
XYZ	xyz(26.2290, 39.5559, 21.8725)
Luminance	0.3956 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BB71 #BB66B0

analogous

#86BB66 #66BB71 #66BB9C

triadic

#66BB71 #7166BB #BB7166

tetradic

#66BB71 #6686BB #BB66B0 #BB9C66

square

#66BB71 #6686BB #BB66B0 #BB9C66

split-complementary

#66BB71 #9C66BB #BB6686

monochromatic

#33733C #469E51 #66BB71 #90CE98 #BBE1C0

Accessibility & contrast

On white

2.36

#66BB71 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.91

#66BB71 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BB71

8.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BB71	#FFFFFF	#000000	##000000
##66BB71	1.00	2.36	8.91	8.91
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.91	21.00	1.00	1.00
##000000	8.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDAE6C

Deuteranopia (green-blind)

#B1A676

Tritanopia (blue-blind)

#59B8A9

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #66bb71;
/* rgb */ color: rgb(102, 187, 113);
/* oklch */ color: oklch(72.0% 0.135 146.9);

Tailwind

colors: {
  custom: {
    50: '#96d09a',
    500: '#66bb71',
    950: '#000000',
  },
}

SCSS

$custom: #66bb71;
$custom-light: #96d09a;
$custom-dark: #000000;

JSON

{
  "hex": "#66bb71",
  "rgb": {
    "r": 102,
    "g": 187,
    "b": 113
  },
  "hsl": {
    "h": 127.765,
    "s": 38.462,
    "l": 56.667
  },
  "oklch": {
    "l": 0.71973,
    "c": 0.13473,
    "h": 146.9
  },
  "luminance": 0.39558
}

Semantic roles & 50–950 ramp

primary

#66BB71

secondary

#D0ADCB

accent

#59BFCE

background

#F9FCF9

surface

#F2F9F2

border

#CCD2CC

text

#0E140E

muted

#7E827E

Preview Lab

Preview with #66BB71

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

Preview Lab → · Contrast checker → · Palette generator →