#66C032#66C032

#66C032 is a light, vivid yellow-green. Relative luminance 0.408; OKLCH L 72.4% C 0.194 H 136.6°. Best body text is #000000 at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#66C032
RGB	rgb(102, 192, 50)
HSL	hsl(98, 59%, 47%)
HSV	hsv(98, 74%, 75%)
CMYK	cmyk(46.9%, 0%, 74%, 24.7%)
CIE-LAB	lab(70.00, -50.75, 59.35)
CIE-LCH	lch(70.00, 78.09, 130.53°)
OKLab	oklab(72.45% -0.141 0.1333)
OKLCH	oklch(72.45% 0.194 136.6)
XYZ	xyz(24.9041, 40.7527, 9.5708)
Luminance	0.4075 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66C032 #8C32C0

analogous

#ADC032 #66C032 #32C045

triadic

#66C032 #3266C0 #C03266

tetradic

#66C032 #32ADC0 #8C32C0 #C04532

square

#66C032 #32ADC0 #8C32C0 #C04532

split-complementary

#66C032 #4532C0 #C032AD

monochromatic

#325F19 #4C8F25 #66C032 #87D45B #ABE18B

Accessibility & contrast

On white

2.29

#66C032 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.15

#66C032 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C032

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66C032	#FFFFFF	#000000	##000000
##66C032	1.00	2.29	9.15	9.15
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.15	21.00	1.00	1.00
##000000	9.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7B015

Deuteranopia (green-blind)

#BBA840

Tritanopia (blue-blind)

#61B9A5

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #66c032;
/* rgb */ color: rgb(102, 192, 50);
/* oklch */ color: oklch(72.4% 0.194 136.6);

Tailwind

colors: {
  custom: {
    50: '#99d473',
    500: '#66c032',
    950: '#000000',
  },
}

SCSS

$custom: #66c032;
$custom-light: #99d473;
$custom-dark: #000000;

JSON

{
  "hex": "#66c032",
  "rgb": {
    "r": 102,
    "g": 192,
    "b": 50
  },
  "hsl": {
    "h": 98.028,
    "s": 58.678,
    "l": 47.451
  },
  "oklch": {
    "l": 0.72448,
    "c": 0.19404,
    "h": 136.6
  },
  "luminance": 0.40754
}

Semantic roles & 50–950 ramp

primary

#66C032

secondary

#B183CB

accent

#46E2A9

background

#F9FDF7

surface

#F2FAED

border

#CCD3C8

text

#0F1409

muted

#7E837B

Preview Lab

Preview with #66C032

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

Preview Lab → · Contrast checker → · Palette generator →