#66C784#66C784

#66C784 is a light, vivid green. Relative luminance 0.453; OKLCH L 75.3% C 0.134 H 152.0°. Best body text is #000000 at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#66C784
RGB	rgb(102, 199, 132)
HSL	hsl(139, 46%, 59%)
HSV	hsv(139, 49%, 78%)
CMYK	cmyk(48.7%, 0%, 33.7%, 22%)
CIE-LAB	lab(73.11, -43.42, 24.97)
CIE-LCH	lch(73.11, 50.09, 150.09°)
OKLab	oklab(75.31% -0.1182 0.0628)
OKLCH	oklch(75.31% 0.134 152)
XYZ	xyz(30.0657, 45.3352, 28.9916)
Luminance	0.4534 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66C784 #C766A9

analogous

#79C766 #66C784 #66C7B5

triadic

#66C784 #8466C7 #C78466

tetradic

#66C784 #6679C7 #C766A9 #C7B566

square

#66C784 #6679C7 #C766A9 #C7B566

split-complementary

#66C784 #B566C7 #C76679

monochromatic

#308349 #40B063 #66C784 #93D7A8 #C0E8CC

Accessibility & contrast

On white

2.09

#66C784 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.07

#66C784 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C784

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66C784	#FFFFFF	#000000	##000000
##66C784	1.00	2.09	10.07	10.07
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.07	21.00	1.00	1.00
##000000	10.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7B980

Deuteranopia (green-blind)

#B9B088

Tritanopia (blue-blind)

#51C5B6

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #66c784;
/* rgb */ color: rgb(102, 199, 132);
/* oklch */ color: oklch(75.3% 0.134 152.0);

Tailwind

colors: {
  custom: {
    50: '#97d8a8',
    500: '#66c784',
    950: '#000000',
  },
}

SCSS

$custom: #66c784;
$custom-light: #97d8a8;
$custom-dark: #000000;

JSON

{
  "hex": "#66c784",
  "rgb": {
    "r": 102,
    "g": 199,
    "b": 132
  },
  "hsl": {
    "h": 138.557,
    "s": 46.411,
    "l": 59.02
  },
  "oklch": {
    "l": 0.7531,
    "c": 0.13385,
    "h": 152
  },
  "luminance": 0.45338
}

Semantic roles & 50–950 ramp

primary

#66C784

secondary

#D7B1CC

accent

#52ADD6

background

#F9FDFA

surface

#F2FAF4

border

#CCD3CE

text

#0E140F

muted

#7E837F

Preview Lab

Preview with #66C784

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

Preview Lab → · Contrast checker → · Palette generator →