#66CC36#66CC36

#66CC36 is a light, highly saturated green. Relative luminance 0.463; OKLCH L 75.5% C 0.206 H 137.7°. Best body text is #000000 at 10.26:1 contrast (WCAG AA passes).

Color values

HEX	#66CC36
RGB	rgb(102, 204, 54)
HSL	hsl(101, 60%, 51%)
HSV	hsv(101, 74%, 80%)
CMYK	cmyk(50%, 0%, 73.5%, 20%)
CIE-LAB	lab(73.72, -55.09, 61.66)
CIE-LCH	lch(73.72, 82.69, 131.78°)
OKLab	oklab(75.52% -0.1525 0.1387)
OKLCH	oklch(75.52% 0.206 137.7)
XYZ	xyz(27.7373, 46.2748, 10.9596)
Luminance	0.4628 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CC36 #9C36CC

analogous

#B1CC36 #66CC36 #36CC51

triadic

#66CC36 #3666CC #CC3666

tetradic

#66CC36 #36B1CC #9C36CC #CC5136

square

#66CC36 #36B1CC #9C36CC #CC5136

split-complementary

#66CC36 #5136CC #CC36B1

monochromatic

#356C1B #4D9D28 #66CC36 #8BD867 #B0E598

Accessibility & contrast

On white

2.05

#66CC36 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.26

#66CC36 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CC36

10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CC36	#FFFFFF	#000000	##000000
##66CC36	1.00	2.05	10.26	10.26
#FFFFFF	2.05	1.00	21.00	21.00
#000000	10.26	21.00	1.00	1.00
##000000	10.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BA18

Deuteranopia (green-blind)

#C5B245

Tritanopia (blue-blind)

#5FC5AF

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #66cc36;
/* rgb */ color: rgb(102, 204, 54);
/* oklch */ color: oklch(75.5% 0.206 137.7);

Tailwind

colors: {
  custom: {
    50: '#9bdc77',
    500: '#66cc36',
    950: '#000000',
  },
}

SCSS

$custom: #66cc36;
$custom-light: #9bdc77;
$custom-dark: #000000;

JSON

{
  "hex": "#66cc36",
  "rgb": {
    "r": 102,
    "g": 204,
    "b": 54
  },
  "hsl": {
    "h": 100.8,
    "s": 59.524,
    "l": 50.588
  },
  "oklch": {
    "l": 0.75516,
    "c": 0.20611,
    "h": 137.7
  },
  "luminance": 0.46277
}

Semantic roles & 50–950 ramp

primary

#66CC36

secondary

#BB8ED0

accent

#45E3B0

background

#FAFDF7

surface

#F3FBEE

border

#CDD4C9

text

#0F1509

muted

#7F837B

Preview Lab

Preview with #66CC36

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

Preview Lab → · Contrast checker → · Palette generator →