#66D34A#66D34A

#66D34A is a light, highly saturated green. Relative luminance 0.499; OKLCH L 77.4% C 0.202 H 139.8°. Best body text is #000000 at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#66D34A
RGB	rgb(102, 211, 74)
HSL	hsl(108, 61%, 56%)
HSV	hsv(108, 65%, 83%)
CMYK	cmyk(51.7%, 0%, 64.9%, 17.3%)
CIE-LAB	lab(76.01, -56.13, 56.44)
CIE-LCH	lch(76.01, 79.60, 134.84°)
OKLab	oklab(77.44% -0.1541 0.1302)
OKLCH	oklch(77.44% 0.202 139.8)
XYZ	xyz(30.0086, 49.9054, 14.5286)
Luminance	0.4991 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D34A #B74AD3

analogous

#AAD34A #66D34A #4AD372

triadic

#66D34A #4A66D3 #D34A66

tetradic

#66D34A #4AAAD3 #B74AD3 #D3724A

square

#66D34A #4AAAD3 #B74AD3 #D3724A

split-complementary

#66D34A #724AD3 #D34AAA

monochromatic

#348320 #48B42C #66D34A #90DF7B #B9EBAC

Accessibility & contrast

On white

1.91

#66D34A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.98

#66D34A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D34A

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D34A	#FFFFFF	#000000	##000000
##66D34A	1.00	1.91	10.98	10.98
#FFFFFF	1.91	1.00	21.00	21.00
#000000	10.98	21.00	1.00	1.00
##000000	10.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C138

Deuteranopia (green-blind)

#CAB856

Tritanopia (blue-blind)

#5BCCB7

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #66d34a;
/* rgb */ color: rgb(102, 211, 74);
/* oklch */ color: oklch(77.4% 0.202 139.8);

Tailwind

colors: {
  custom: {
    50: '#9be182',
    500: '#66d34a',
    950: '#000000',
  },
}

SCSS

$custom: #66d34a;
$custom-light: #9be182;
$custom-dark: #000000;

JSON

{
  "hex": "#66d34a",
  "rgb": {
    "r": 102,
    "g": 211,
    "b": 74
  },
  "hsl": {
    "h": 107.737,
    "s": 60.889,
    "l": 55.882
  },
  "oklch": {
    "l": 0.77444,
    "c": 0.20172,
    "h": 139.8
  },
  "luminance": 0.49908
}

Semantic roles & 50–950 ramp

primary

#66D34A

secondary

#CDA0D9

accent

#44E4C3

background

#FAFDF8

surface

#F3FBEF

border

#CDD4CA

text

#0F150B

muted

#7F837C

Preview Lab

Preview with #66D34A

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

Preview Lab → · Contrast checker → · Palette generator →