#66C330#66C330

#66C330 is a light, vivid yellow-green. Relative luminance 0.421; OKLCH L 73.2% C 0.199 H 136.7°. Best body text is #000000 at 9.41:1 contrast (WCAG AA passes).

Color values

HEX	#66C330
RGB	rgb(102, 195, 48)
HSL	hsl(98, 60%, 48%)
HSV	hsv(98, 75%, 76%)
CMYK	cmyk(47.7%, 0%, 75.4%, 23.5%)
CIE-LAB	lab(70.92, -52.05, 60.93)
CIE-LCH	lch(70.92, 80.13, 130.50°)
OKLab	oklab(73.2% -0.1446 0.1363)
OKLCH	oklch(73.2% 0.199 136.7)
XYZ	xyz(25.5274, 42.0667, 9.5703)
Luminance	0.4207 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66C330 #8D30C3

analogous

#B0C330 #66C330 #30C343

triadic

#66C330 #3066C3 #C33066

tetradic

#66C330 #30B0C3 #8D30C3 #C34330

square

#66C330 #30B0C3 #8D30C3 #C34330

split-complementary

#66C330 #4330C3 #C330B0

monochromatic

#336118 #4C9224 #66C330 #88D65A #ABE28B

Accessibility & contrast

On white

2.23

#66C330 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.41

#66C330 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C330

9.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66C330	#FFFFFF	#000000	##000000
##66C330	1.00	2.23	9.41	9.41
#FFFFFF	2.23	1.00	21.00	21.00
#000000	9.41	21.00	1.00	1.00
##000000	9.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAB20E

Deuteranopia (green-blind)

#BDAB40

Tritanopia (blue-blind)

#61BCA7

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #66c330;
/* rgb */ color: rgb(102, 195, 48);
/* oklch */ color: oklch(73.2% 0.199 136.7);

Tailwind

colors: {
  custom: {
    50: '#9ad673',
    500: '#66c330',
    950: '#000000',
  },
}

SCSS

$custom: #66c330;
$custom-light: #9ad673;
$custom-dark: #000000;

JSON

{
  "hex": "#66c330",
  "rgb": {
    "r": 102,
    "g": 195,
    "b": 48
  },
  "hsl": {
    "h": 97.959,
    "s": 60.494,
    "l": 47.647
  },
  "oklch": {
    "l": 0.73196,
    "c": 0.19874,
    "h": 136.7
  },
  "luminance": 0.42068
}

Semantic roles & 50–950 ramp

primary

#66C330

secondary

#B182CC

accent

#44E4A9

background

#FAFDF7

surface

#F3FAED

border

#CDD3C8

text

#0F1409

muted

#7F837B

Preview Lab

Preview with #66C330

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

Preview Lab → · Contrast checker → · Palette generator →