#66D336#66D336

#66D336 is a light, highly saturated green. Relative luminance 0.497; OKLCH L 77.3% C 0.214 H 138.1°. Best body text is #000000 at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#66D336
RGB	rgb(102, 211, 54)
HSL	hsl(102, 64%, 52%)
HSV	hsv(102, 74%, 83%)
CMYK	cmyk(51.7%, 0%, 74.4%, 17.3%)
CIE-LAB	lab(75.87, -57.70, 63.79)
CIE-LCH	lch(75.87, 86.01, 132.13°)
OKLab	oklab(77.28% -0.1595 0.1431)
OKLCH	oklch(77.28% 0.214 138.1)
XYZ	xyz(29.4386, 49.6774, 11.5267)
Luminance	0.4968 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D336 #A336D3

analogous

#B5D336 #66D336 #36D355

triadic

#66D336 #3666D3 #D33666

tetradic

#66D336 #36B5D3 #A336D3 #D35536

square

#66D336 #36B5D3 #A336D3 #D35536

split-complementary

#66D336 #5536D3 #D336B5

monochromatic

#36751A #4DA725 #66D336 #8CDE68 #B2E99A

Accessibility & contrast

On white

1.92

#66D336 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.94

#66D336 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D336

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D336	#FFFFFF	#000000	##000000
##66D336	1.00	1.92	10.94	10.94
#FFFFFF	1.92	1.00	21.00	21.00
#000000	10.94	21.00	1.00	1.00
##000000	10.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAC114

Deuteranopia (green-blind)

#CCB847

Tritanopia (blue-blind)

#5DCCB5

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #66d336;
/* rgb */ color: rgb(102, 211, 54);
/* oklch */ color: oklch(77.3% 0.214 138.1);

Tailwind

colors: {
  custom: {
    50: '#9ce178',
    500: '#66d336',
    950: '#000000',
  },
}

SCSS

$custom: #66d336;
$custom-light: #9ce178;
$custom-dark: #000000;

JSON

{
  "hex": "#66d336",
  "rgb": {
    "r": 102,
    "g": 211,
    "b": 54
  },
  "hsl": {
    "h": 101.656,
    "s": 64.082,
    "l": 51.961
  },
  "oklch": {
    "l": 0.77283,
    "c": 0.21429,
    "h": 138.1
  },
  "luminance": 0.4968
}

Semantic roles & 50–950 ramp

primary

#66D336

secondary

#C090D5

accent

#41E7B4

background

#FAFDF7

surface

#F4FBEE

border

#CED4C9

text

#0F150A

muted

#7F837C

Preview Lab

Preview with #66D336

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

Preview Lab → · Contrast checker → · Palette generator →