#66BF3D#66BF3D

#66BF3D is a light, vivid green. Relative luminance 0.404; OKLCH L 72.3% C 0.186 H 137.5°. Best body text is #000000 at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#66BF3D
RGB	rgb(102, 191, 61)
HSL	hsl(101, 52%, 49%)
HSV	hsv(101, 68%, 75%)
CMYK	cmyk(46.6%, 0%, 68.1%, 25.1%)
CIE-LAB	lab(69.77, -49.54, 55.01)
CIE-LCH	lch(69.77, 74.03, 132.01°)
OKLab	oklab(72.28% -0.137 0.1257)
OKLCH	oklch(72.28% 0.186 137.5)
XYZ	xyz(24.9518, 40.4217, 10.9013)
Luminance	0.4042 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BF3D #963DBF

analogous

#A7BF3D #66BF3D #3DBF55

triadic

#66BF3D #3D66BF #BF3D66

tetradic

#66BF3D #3DA7BF #963DBF #BF553D

square

#66BF3D #3DA7BF #963DBF #BF553D

split-complementary

#66BF3D #553DBF #BF3DA7

monochromatic

#34621F #4D912E #66BF3D #8ACF6A #AEDE98

Accessibility & contrast

On white

2.31

#66BF3D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.08

#66BF3D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BF3D

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BF3D	#FFFFFF	#000000	##000000
##66BF3D	1.00	2.31	9.08	9.08
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.08	21.00	1.00	1.00
##000000	9.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5AF2A

Deuteranopia (green-blind)

#B9A849

Tritanopia (blue-blind)

#61B8A5

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #66bf3d;
/* rgb */ color: rgb(102, 191, 61);
/* oklch */ color: oklch(72.3% 0.186 137.5);

Tailwind

colors: {
  custom: {
    50: '#99d379',
    500: '#66bf3d',
    950: '#000000',
  },
}

SCSS

$custom: #66bf3d;
$custom-light: #99d379;
$custom-dark: #000000;

JSON

{
  "hex": "#66bf3d",
  "rgb": {
    "r": 102,
    "g": 191,
    "b": 61
  },
  "hsl": {
    "h": 101.077,
    "s": 51.587,
    "l": 49.412
  },
  "oklch": {
    "l": 0.7228,
    "c": 0.18592,
    "h": 137.5
  },
  "luminance": 0.40423
}

Semantic roles & 50–950 ramp

primary

#66BF3D

secondary

#B78ECA

accent

#4DDBAE

background

#F9FDF7

surface

#F2FAEE

border

#CCD3C9

text

#0E1409

muted

#7E837B

Preview Lab

Preview with #66BF3D

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

Preview Lab → · Contrast checker → · Palette generator →