#66C133#66C133

#66C133 is a light, vivid yellow-green. Relative luminance 0.412; OKLCH L 72.7% C 0.195 H 136.8°. Best body text is #000000 at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#66C133
RGB	rgb(102, 193, 51)
HSL	hsl(98, 58%, 48%)
HSV	hsv(98, 74%, 76%)
CMYK	cmyk(47.2%, 0%, 73.6%, 24.3%)
CIE-LAB	lab(70.32, -51.07, 59.32)
CIE-LCH	lch(70.32, 78.28, 130.73°)
OKLab	oklab(72.71% -0.1418 0.1334)
OKLCH	oklch(72.71% 0.195 136.8)
XYZ	xyz(25.1463, 41.2021, 9.7591)
Luminance	0.4120 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66C133 #8E33C1

analogous

#ADC133 #66C133 #33C147

triadic

#66C133 #3366C1 #C13366

tetradic

#66C133 #33ADC1 #8E33C1 #C14733

square

#66C133 #33ADC1 #8E33C1 #C14733

split-complementary

#66C133 #4733C1 #C133AD

monochromatic

#336019 #4C9126 #66C133 #88D45D #ABE18D

Accessibility & contrast

On white

2.27

#66C133 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.24

#66C133 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C133

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66C133	#FFFFFF	#000000	##000000
##66C133	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)

#C8B117

Deuteranopia (green-blind)

#BCA941

Tritanopia (blue-blind)

#61BAA6

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #66c133;
/* rgb */ color: rgb(102, 193, 51);
/* oklch */ color: oklch(72.7% 0.195 136.8);

Tailwind

colors: {
  custom: {
    50: '#99d474',
    500: '#66c133',
    950: '#000000',
  },
}

SCSS

$custom: #66c133;
$custom-light: #99d474;
$custom-dark: #000000;

JSON

{
  "hex": "#66c133",
  "rgb": {
    "r": 102,
    "g": 193,
    "b": 51
  },
  "hsl": {
    "h": 98.451,
    "s": 58.197,
    "l": 47.843
  },
  "oklch": {
    "l": 0.72709,
    "c": 0.19467,
    "h": 136.8
  },
  "luminance": 0.41204
}

Semantic roles & 50–950 ramp

primary

#66C133

secondary

#B284CB

accent

#46E1AA

background

#F9FDF7

surface

#F2FAED

border

#CCD3C8

text

#0F1409

muted

#7E837B

Preview Lab

Preview with #66C133

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

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