#66C02C#66C02C

#66C02C is a light, vivid yellow-green. Relative luminance 0.407; OKLCH L 72.4% C 0.197 H 136.2°. Best body text is #000000 at 9.14:1 contrast (WCAG AA passes).

Color values

HEX	#66C02C
RGB	rgb(102, 192, 44)
HSL	hsl(96, 63%, 46%)
HSV	hsv(96, 77%, 75%)
CMYK	cmyk(46.9%, 0%, 77.1%, 24.7%)
CIE-LAB	lab(69.97, -51.12, 61.32)
CIE-LCH	lch(69.97, 79.83, 129.82°)
OKLab	oklab(72.41% -0.1424 0.1365)
OKLCH	oklch(72.41% 0.197 136.2)
XYZ	xyz(24.7831, 40.7043, 8.9332)
Luminance	0.4071 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66C02C #862CC0

analogous

#B0C02C #66C02C #2CC03C

triadic

#66C02C #2C66C0 #C02C66

tetradic

#66C02C #2CB0C0 #862CC0 #C03C2C

square

#66C02C #2CB0C0 #862CC0 #C03C2C

split-complementary

#66C02C #3C2CC0 #C02CB0

monochromatic

#315C15 #4C8E21 #66C02C #86D752 #A9E384

Accessibility & contrast

On white

2.30

#66C02C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.14

#66C02C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C02C

9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66C02C	#FFFFFF	#000000	##000000
##66C02C	1.00	2.30	9.14	9.14
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.14	21.00	1.00	1.00
##000000	9.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7B002

Deuteranopia (green-blind)

#BBA83C

Tritanopia (blue-blind)

#62B9A4

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #66c02c;
/* rgb */ color: rgb(102, 192, 44);
/* oklch */ color: oklch(72.4% 0.197 136.2);

Tailwind

colors: {
  custom: {
    50: '#9ad471',
    500: '#66c02c',
    950: '#000000',
  },
}

SCSS

$custom: #66c02c;
$custom-light: #9ad471;
$custom-dark: #000000;

JSON

{
  "hex": "#66c02c",
  "rgb": {
    "r": 102,
    "g": 192,
    "b": 44
  },
  "hsl": {
    "h": 96.486,
    "s": 62.712,
    "l": 46.275
  },
  "oklch": {
    "l": 0.72409,
    "c": 0.19728,
    "h": 136.2
  },
  "luminance": 0.40706
}

Semantic roles & 50–950 ramp

primary

#66C02C

secondary

#AD7CCC

accent

#42E6A6

background

#FAFDF7

surface

#F3FAED

border

#CDD3C8

text

#0F1408

muted

#7F837B

Preview Lab

Preview with #66C02C

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

Preview Lab → · Contrast checker → · Palette generator →