#66D159#66D159

#66D159 is a light, vivid green. Relative luminance 0.491; OKLCH L 77.1% C 0.188 H 141.6°. Best body text is #000000 at 10.83:1 contrast (WCAG AA passes).

Color values

HEX	#66D159
RGB	rgb(102, 209, 89)
HSL	hsl(114, 57%, 58%)
HSV	hsv(114, 57%, 82%)
CMYK	cmyk(51.2%, 0%, 57.4%, 18%)
CIE-LAB	lab(75.54, -53.83, 49.40)
CIE-LCH	lch(75.54, 73.06, 137.46°)
OKLab	oklab(77.1% -0.1469 0.1166)
OKLCH	oklch(77.1% 0.188 141.6)
XYZ	xyz(30.0817, 49.1446, 17.3499)
Luminance	0.4915 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D159 #C459D1

analogous

#A2D159 #66D159 #59D188

triadic

#66D159 #5966D1 #D15966

tetradic

#66D159 #59A2D1 #C459D1 #D18859

square

#66D159 #59A2D1 #C459D1 #D18859

split-complementary

#66D159 #8859D1 #D159A2

monochromatic

#318926 #42B933 #66D159 #92DE89 #BEECB9

Accessibility & contrast

On white

1.94

#66D159 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.83

#66D159 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D159

10.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D159	#FFFFFF	#000000	##000000
##66D159	1.00	1.94	10.83	10.83
#FFFFFF	1.94	1.00	21.00	21.00
#000000	10.83	21.00	1.00	1.00
##000000	10.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6C04D

Deuteranopia (green-blind)

#C8B762

Tritanopia (blue-blind)

#59CBB7

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #66d159;
/* rgb */ color: rgb(102, 209, 89);
/* oklch */ color: oklch(77.1% 0.188 141.6);

Tailwind

colors: {
  custom: {
    50: '#9ae08b',
    500: '#66d159',
    950: '#000000',
  },
}

SCSS

$custom: #66d159;
$custom-light: #9ae08b;
$custom-dark: #000000;

JSON

{
  "hex": "#66d159",
  "rgb": {
    "r": 102,
    "g": 209,
    "b": 89
  },
  "hsl": {
    "h": 113.5,
    "s": 56.604,
    "l": 58.431
  },
  "oklch": {
    "l": 0.77103,
    "c": 0.18761,
    "h": 141.6
  },
  "luminance": 0.49147
}

Semantic roles & 50–950 ramp

primary

#66D159

secondary

#D6ABDB

accent

#48E0CF

background

#F9FDF8

surface

#F2FBF0

border

#CCD4CB

text

#0F150C

muted

#7E837D

Preview Lab

Preview with #66D159

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

Preview Lab → · Contrast checker → · Palette generator →