#66C134#66C134

#66C134 is a light, vivid yellow-green. Relative luminance 0.412; OKLCH L 72.7% C 0.194 H 136.8°. Best body text is #000000 at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#66C134
RGB	rgb(102, 193, 52)
HSL	hsl(99, 58%, 48%)
HSV	hsv(99, 73%, 76%)
CMYK	cmyk(47.2%, 0%, 73.1%, 24.3%)
CIE-LAB	lab(70.32, -51.01, 58.97)
CIE-LCH	lch(70.32, 77.97, 130.86°)
OKLab	oklab(72.72% -0.1416 0.1328)
OKLCH	oklch(72.72% 0.194 136.8)
XYZ	xyz(25.1685, 41.2110, 9.8764)
Luminance	0.4121 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66C134 #8F34C1

analogous

#ADC134 #66C134 #34C148

triadic

#66C134 #3466C1 #C13466

tetradic

#66C134 #34ADC1 #8F34C1 #C14834

square

#66C134 #34ADC1 #8F34C1 #C14834

split-complementary

#66C134 #4834C1 #C134AD

monochromatic

#33611A #4D9127 #66C134 #88D45E #ACE18F

Accessibility & contrast

On white

2.27

#66C134 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.24

#66C134 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C134

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66C134	#FFFFFF	#000000	##000000
##66C134	1.00	2.27	9.24	9.24
#FFFFFF	2.27	1.00	21.00	21.00
#000000	9.24	21.00	1.00	1.00
##000000	9.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8B119

Deuteranopia (green-blind)

#BCA942

Tritanopia (blue-blind)

#61BAA6

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #66c134;
/* rgb */ color: rgb(102, 193, 52);
/* oklch */ color: oklch(72.7% 0.194 136.8);

Tailwind

colors: {
  custom: {
    50: '#99d475',
    500: '#66c134',
    950: '#000000',
  },
}

SCSS

$custom: #66c134;
$custom-light: #99d475;
$custom-dark: #000000;

JSON

{
  "hex": "#66c134",
  "rgb": {
    "r": 102,
    "g": 193,
    "b": 52
  },
  "hsl": {
    "h": 98.723,
    "s": 57.551,
    "l": 48.039
  },
  "oklch": {
    "l": 0.72716,
    "c": 0.1941,
    "h": 136.8
  },
  "luminance": 0.41213
}

Semantic roles & 50–950 ramp

primary

#66C134

secondary

#B386CB

accent

#47E1AA

background

#F9FDF7

surface

#F2FAED

border

#CCD3C8

text

#0F1409

muted

#7E837B

Preview Lab

Preview with #66C134

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

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