#66D845#66D845

#66D845 is a light, highly saturated green. Relative luminance 0.524; OKLCH L 78.7% C 0.211 H 139.5°. Best body text is #000000 at 11.47:1 contrast (WCAG AA passes).

Color values

HEX	#66D845
RGB	rgb(102, 216, 69)
HSL	hsl(107, 65%, 56%)
HSV	hsv(107, 68%, 85%)
CMYK	cmyk(52.8%, 0%, 68.1%, 15.3%)
CIE-LAB	lab(77.50, -58.43, 60.03)
CIE-LCH	lch(77.50, 83.77, 134.23°)
OKLab	oklab(78.66% -0.1606 0.1372)
OKLCH	oklch(78.66% 0.211 139.5)
XYZ	xyz(31.1083, 52.3637, 14.0970)
Luminance	0.5237 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D845 #B745D8

analogous

#AFD845 #66D845 #45D86D

triadic

#66D845 #4566D8 #D84566

tetradic

#66D845 #45AFD8 #B745D8 #D86D45

square

#66D845 #45AFD8 #B745D8 #D86D45

split-complementary

#66D845 #6D45D8 #D845AF

monochromatic

#34861C #48B927 #66D845 #90E378 #B9EDAA

Accessibility & contrast

On white

1.83

#66D845 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.47

#66D845 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D845

11.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D845	#FFFFFF	#000000	##000000
##66D845	1.00	1.83	11.47	11.47
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.47	21.00	1.00	1.00
##000000	11.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEC530

Deuteranopia (green-blind)

#CFBC53

Tritanopia (blue-blind)

#5BD1BA

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #66d845;
/* rgb */ color: rgb(102, 216, 69);
/* oklch */ color: oklch(78.7% 0.211 139.5);

Tailwind

colors: {
  custom: {
    50: '#9ce580',
    500: '#66d845',
    950: '#000000',
  },
}

SCSS

$custom: #66d845;
$custom-light: #9ce580;
$custom-dark: #000000;

JSON

{
  "hex": "#66d845",
  "rgb": {
    "r": 102,
    "g": 216,
    "b": 69
  },
  "hsl": {
    "h": 106.531,
    "s": 65.333,
    "l": 55.882
  },
  "oklch": {
    "l": 0.78655,
    "c": 0.21121,
    "h": 139.5
  },
  "luminance": 0.52366
}

Semantic roles & 50–950 ramp

primary

#66D845

secondary

#79348D

accent

#40E8C2

background

#FCFEFB

surface

#F6FCF2

border

#D0D5CC

text

#0F160B

muted

#80847E

Preview Lab

Preview with #66D845

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

Preview Lab → · Contrast checker → · Palette generator →