#66C334#66C334

#66C334 is a light, vivid yellow-green. Relative luminance 0.421; OKLCH L 73.2% C 0.197 H 137.0°. Best body text is #000000 at 9.42:1 contrast (WCAG AA passes).

Color values

HEX	#66C334
RGB	rgb(102, 195, 52)
HSL	hsl(99, 58%, 48%)
HSV	hsv(99, 73%, 76%)
CMYK	cmyk(47.7%, 0%, 73.3%, 23.5%)
CIE-LAB	lab(70.94, -51.78, 59.59)
CIE-LCH	lch(70.94, 78.95, 130.99°)
OKLab	oklab(73.22% -0.1437 0.1341)
OKLCH	oklch(73.22% 0.197 137)
XYZ	xyz(25.6137, 42.1012, 10.0248)
Luminance	0.4210 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66C334 #9134C3

analogous

#ADC334 #66C334 #34C349

triadic

#66C334 #3466C3 #C33466

tetradic

#66C334 #34ADC3 #9134C3 #C34934

square

#66C334 #34ADC3 #9134C3 #C34934

split-complementary

#66C334 #4934C3 #C334AD

monochromatic

#33621A #4D9327 #66C334 #89D560 #ACE190

Accessibility & contrast

On white

2.23

#66C334 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.42

#66C334 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C334

9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66C334	#FFFFFF	#000000	##000000
##66C334	1.00	2.23	9.42	9.42
#FFFFFF	2.23	1.00	21.00	21.00
#000000	9.42	21.00	1.00	1.00
##000000	9.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAB218

Deuteranopia (green-blind)

#BDAB42

Tritanopia (blue-blind)

#61BCA7

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #66c334;
/* rgb */ color: rgb(102, 195, 52);
/* oklch */ color: oklch(73.2% 0.197 137.0);

Tailwind

colors: {
  custom: {
    50: '#9ad675',
    500: '#66c334',
    950: '#000000',
  },
}

SCSS

$custom: #66c334;
$custom-light: #9ad675;
$custom-dark: #000000;

JSON

{
  "hex": "#66c334",
  "rgb": {
    "r": 102,
    "g": 195,
    "b": 52
  },
  "hsl": {
    "h": 99.021,
    "s": 57.895,
    "l": 48.431
  },
  "oklch": {
    "l": 0.73223,
    "c": 0.19652,
    "h": 137
  },
  "luminance": 0.42103
}

Semantic roles & 50–950 ramp

primary

#66C334

secondary

#B487CC

accent

#47E1AB

background

#FAFDF7

surface

#F3FAED

border

#CDD3C8

text

#0F1409

muted

#7F837B

Preview Lab

Preview with #66C334

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

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