#66BF4F#66BF4F

#66BF4F is a light, vivid green. Relative luminance 0.407; OKLCH L 72.5% C 0.172 H 139.6°. Best body text is #000000 at 9.13:1 contrast (WCAG AA passes).

Color values

HEX	#66BF4F
RGB	rgb(102, 191, 79)
HSL	hsl(108, 47%, 53%)
HSV	hsv(108, 59%, 75%)
CMYK	cmyk(46.6%, 0%, 58.6%, 25.1%)
CIE-LAB	lab(69.93, -47.82, 47.46)
CIE-LCH	lch(69.93, 67.37, 135.22°)
OKLab	oklab(72.46% -0.1312 0.1116)
OKLCH	oklch(72.46% 0.172 139.6)
XYZ	xyz(25.5206, 40.6492, 13.8969)
Luminance	0.4065 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BF4F #A84FBF

analogous

#9EBF4F #66BF4F #4FBF70

triadic

#66BF4F #4F66BF #BF4F66

tetradic

#66BF4F #4F9EBF #A84FBF #BF704F

square

#66BF4F #4F9EBF #A84FBF #BF704F

split-complementary

#66BF4F #704FBF #BF4F9E

monochromatic

#366C27 #4C9938 #66BF4F #8DCF7C #B4E0A9

Accessibility & contrast

On white

2.30

#66BF4F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.13

#66BF4F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BF4F

9.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BF4F	#FFFFFF	#000000	##000000
##66BF4F	1.00	2.30	9.13	9.13
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.13	21.00	1.00	1.00
##000000	9.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4B043

Deuteranopia (green-blind)

#B8A858

Tritanopia (blue-blind)

#5EB9A7

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #66bf4f;
/* rgb */ color: rgb(102, 191, 79);
/* oklch */ color: oklch(72.5% 0.172 139.6);

Tailwind

colors: {
  custom: {
    50: '#98d384',
    500: '#66bf4f',
    950: '#000000',
  },
}

SCSS

$custom: #66bf4f;
$custom-light: #98d384;
$custom-dark: #000000;

JSON

{
  "hex": "#66bf4f",
  "rgb": {
    "r": 102,
    "g": 191,
    "b": 79
  },
  "hsl": {
    "h": 107.679,
    "s": 46.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.72464,
    "c": 0.1722,
    "h": 139.6
  },
  "luminance": 0.40651
}

Semantic roles & 50–950 ramp

primary

#66BF4F

secondary

#C39DCD

accent

#51D6BB

background

#F9FDF8

surface

#F2FAEF

border

#CCD3CA

text

#0E140B

muted

#7E837C

Preview Lab

Preview with #66BF4F

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

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