#66BF34#66BF34

#66BF34 is a light, vivid yellow-green. Relative luminance 0.403; OKLCH L 72.2% C 0.192 H 136.7°. Best body text is #000000 at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#66BF34
RGB	rgb(102, 191, 52)
HSL	hsl(98, 57%, 48%)
HSV	hsv(98, 73%, 75%)
CMYK	cmyk(46.6%, 0%, 72.8%, 25.1%)
CIE-LAB	lab(69.71, -50.22, 58.35)
CIE-LCH	lch(69.71, 76.99, 130.72°)
OKLab	oklab(72.21% -0.1395 0.1315)
OKLCH	oklch(72.21% 0.192 136.7)
XYZ	xyz(24.7294, 40.3327, 9.7301)
Luminance	0.4033 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BF34 #8D34BF

analogous

#ACBF34 #66BF34 #34BF47

triadic

#66BF34 #3466BF #BF3466

tetradic

#66BF34 #34ACBF #8D34BF #BF4734

square

#66BF34 #34ACBF #8D34BF #BF4734

split-complementary

#66BF34 #4734BF #BF34AC

monochromatic

#335F1A #4C8F27 #66BF34 #88D35D #ABE08D

Accessibility & contrast

On white

2.32

#66BF34 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.07

#66BF34 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BF34

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BF34	#FFFFFF	#000000	##000000
##66BF34	1.00	2.32	9.07	9.07
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.07	21.00	1.00	1.00
##000000	9.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6AF1A

Deuteranopia (green-blind)

#BAA842

Tritanopia (blue-blind)

#61B8A4

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #66bf34;
/* rgb */ color: rgb(102, 191, 52);
/* oklch */ color: oklch(72.2% 0.192 136.7);

Tailwind

colors: {
  custom: {
    50: '#99d374',
    500: '#66bf34',
    950: '#000000',
  },
}

SCSS

$custom: #66bf34;
$custom-light: #99d374;
$custom-dark: #000000;

JSON

{
  "hex": "#66bf34",
  "rgb": {
    "r": 102,
    "g": 191,
    "b": 52
  },
  "hsl": {
    "h": 98.417,
    "s": 57.202,
    "l": 47.647
  },
  "oklch": {
    "l": 0.72209,
    "c": 0.19167,
    "h": 136.7
  },
  "luminance": 0.40334
}

Semantic roles & 50–950 ramp

primary

#66BF34

secondary

#B184CA

accent

#47E0A9

background

#F9FDF7

surface

#F2FAED

border

#CCD3C8

text

#0F1409

muted

#7E837B

Preview Lab

Preview with #66BF34

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

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