#66BF41#66BF41

#66BF41 is a light, vivid green. Relative luminance 0.405; OKLCH L 72.3% C 0.183 H 137.9°. Best body text is #000000 at 9.09:1 contrast (WCAG AA passes).

Color values

HEX	#66BF41
RGB	rgb(102, 191, 65)
HSL	hsl(102, 50%, 50%)
HSV	hsv(102, 66%, 75%)
CMYK	cmyk(46.6%, 0%, 66%, 25.1%)
CIE-LAB	lab(69.80, -49.20, 53.42)
CIE-LCH	lch(69.80, 72.62, 132.64°)
OKLab	oklab(72.32% -0.1358 0.1228)
OKLCH	oklch(72.32% 0.183 137.9)
XYZ	xyz(25.0636, 40.4664, 11.4901)
Luminance	0.4047 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BF41 #9A41BF

analogous

#A5BF41 #66BF41 #41BF5B

triadic

#66BF41 #4166BF #BF4166

tetradic

#66BF41 #41A5BF #9A41BF #BF5B41

square

#66BF41 #41A5BF #9A41BF #BF5B41

split-complementary

#66BF41 #5B41BF #BF41A5

monochromatic

#356422 #4D9231 #66BF41 #8BCE6F #B0DE9D

Accessibility & contrast

On white

2.31

#66BF41 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.09

#66BF41 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BF41

9.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BF41	#FFFFFF	#000000	##000000
##66BF41	1.00	2.31	9.09	9.09
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.09	21.00	1.00	1.00
##000000	9.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5AF30

Deuteranopia (green-blind)

#B9A84C

Tritanopia (blue-blind)

#60B9A5

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #66bf41;
/* rgb */ color: rgb(102, 191, 65);
/* oklch */ color: oklch(72.3% 0.183 137.9);

Tailwind

colors: {
  custom: {
    50: '#99d37b',
    500: '#66bf41',
    950: '#000000',
  },
}

SCSS

$custom: #66bf41;
$custom-light: #99d37b;
$custom-dark: #000000;

JSON

{
  "hex": "#66bf41",
  "rgb": {
    "r": 102,
    "g": 191,
    "b": 65
  },
  "hsl": {
    "h": 102.381,
    "s": 49.606,
    "l": 50.196
  },
  "oklch": {
    "l": 0.72316,
    "c": 0.18311,
    "h": 137.9
  },
  "luminance": 0.40468
}

Semantic roles & 50–950 ramp

primary

#66BF41

secondary

#BA92CA

accent

#4FD9B0

background

#F9FDF7

surface

#F2FAEE

border

#CCD3C9

text

#0E140A

muted

#7E837C

Preview Lab

Preview with #66BF41

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

Preview Lab → · Contrast checker → · Palette generator →