#66C233#66C233

#66C233 is a light, vivid yellow-green. Relative luminance 0.416; OKLCH L 73.0% C 0.196 H 136.8°. Best body text is #000000 at 9.33:1 contrast (WCAG AA passes).

Color values

HEX	#66C233
RGB	rgb(102, 194, 51)
HSL	hsl(99, 58%, 48%)
HSV	hsv(99, 74%, 76%)
CMYK	cmyk(47.4%, 0%, 73.7%, 23.9%)
CIE-LAB	lab(70.63, -51.46, 59.62)
CIE-LCH	lch(70.63, 78.76, 130.80°)
OKLab	oklab(72.96% -0.1429 0.134)
OKLCH	oklch(72.96% 0.196 136.8)
XYZ	xyz(25.3681, 41.6457, 9.8330)
Luminance	0.4165 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66C233 #8F33C2

analogous

#ADC233 #66C233 #33C247

triadic

#66C233 #3366C2 #C23366

tetradic

#66C233 #33ADC2 #8F33C2 #C24733

square

#66C233 #33ADC2 #8F33C2 #C24733

split-complementary

#66C233 #4733C2 #C233AD

monochromatic

#33611A #4D9226 #66C233 #88D55E #ACE18E

Accessibility & contrast

On white

2.25

#66C233 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.33

#66C233 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C233

9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66C233	#FFFFFF	#000000	##000000
##66C233	1.00	2.25	9.33	9.33
#FFFFFF	2.25	1.00	21.00	21.00
#000000	9.33	21.00	1.00	1.00
##000000	9.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9B217

Deuteranopia (green-blind)

#BCAA42

Tritanopia (blue-blind)

#61BBA6

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #66c233;
/* rgb */ color: rgb(102, 194, 51);
/* oklch */ color: oklch(73.0% 0.196 136.8);

Tailwind

colors: {
  custom: {
    50: '#9ad574',
    500: '#66c233',
    950: '#000000',
  },
}

SCSS

$custom: #66c233;
$custom-light: #9ad574;
$custom-dark: #000000;

JSON

{
  "hex": "#66c233",
  "rgb": {
    "r": 102,
    "g": 194,
    "b": 51
  },
  "hsl": {
    "h": 98.601,
    "s": 58.367,
    "l": 48.039
  },
  "oklch": {
    "l": 0.72962,
    "c": 0.19588,
    "h": 136.8
  },
  "luminance": 0.41647
}

Semantic roles & 50–950 ramp

primary

#66C233

secondary

#B385CC

accent

#46E2AA

background

#F9FDF7

surface

#F2FAED

border

#CCD3C8

text

#0F1409

muted

#7E837B

Preview Lab

Preview with #66C233

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

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