#66D34D#66D34D

#66D34D is a light, vivid green. Relative luminance 0.499; OKLCH L 77.5% C 0.200 H 140.1°. Best body text is #000000 at 10.99:1 contrast (WCAG AA passes).

Color values

HEX	#66D34D
RGB	rgb(102, 211, 77)
HSL	hsl(109, 60%, 56%)
HSV	hsv(109, 64%, 83%)
CMYK	cmyk(51.7%, 0%, 63.5%, 17.3%)
CIE-LAB	lab(76.04, -55.85, 55.22)
CIE-LCH	lch(76.04, 78.54, 135.33°)
OKLab	oklab(77.47% -0.1531 0.128)
OKLCH	oklch(77.47% 0.2 140.1)
XYZ	xyz(30.1120, 49.9468, 15.0737)
Luminance	0.4995 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D34D #BA4DD3

analogous

#A9D34D #66D34D #4DD377

triadic

#66D34D #4D66D3 #D34D66

tetradic

#66D34D #4DA9D3 #BA4DD3 #D3774D

square

#66D34D #4DA9D3 #BA4DD3 #D3774D

split-complementary

#66D34D #774DD3 #D34DA9

monochromatic

#338521 #46B62D #66D34D #90DF7E #BAEBAF

Accessibility & contrast

On white

1.91

#66D34D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.99

#66D34D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D34D

10.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D34D	#FFFFFF	#000000	##000000
##66D34D	1.00	1.91	10.99	10.99
#FFFFFF	1.91	1.00	21.00	21.00
#000000	10.99	21.00	1.00	1.00
##000000	10.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C13D

Deuteranopia (green-blind)

#CAB858

Tritanopia (blue-blind)

#5BCCB7

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #66d34d;
/* rgb */ color: rgb(102, 211, 77);
/* oklch */ color: oklch(77.5% 0.200 140.1);

Tailwind

colors: {
  custom: {
    50: '#9be184',
    500: '#66d34d',
    950: '#000000',
  },
}

SCSS

$custom: #66d34d;
$custom-light: #9be184;
$custom-dark: #000000;

JSON

{
  "hex": "#66d34d",
  "rgb": {
    "r": 102,
    "g": 211,
    "b": 77
  },
  "hsl": {
    "h": 108.806,
    "s": 60.36,
    "l": 56.471
  },
  "oklch": {
    "l": 0.77473,
    "c": 0.19954,
    "h": 140.1
  },
  "luminance": 0.49949
}

Semantic roles & 50–950 ramp

primary

#66D34D

secondary

#CFA2D9

accent

#44E4C6

background

#FAFDF8

surface

#F3FBEF

border

#CDD4CA

text

#0F150B

muted

#7F837C

Preview Lab

Preview with #66D34D

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

Preview Lab → · Contrast checker → · Palette generator →