#66D341#66D341

#66D341 is a light, highly saturated green. Relative luminance 0.498; OKLCH L 77.4% C 0.208 H 138.9°. Best body text is #000000 at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#66D341
RGB	rgb(102, 211, 65)
HSL	hsl(105, 62%, 54%)
HSV	hsv(105, 69%, 83%)
CMYK	cmyk(51.7%, 0%, 69.2%, 17.3%)
CIE-LAB	lab(75.94, -56.91, 59.93)
CIE-LCH	lch(75.94, 82.64, 133.52°)
OKLab	oklab(77.36% -0.1567 0.1365)
OKLCH	oklch(77.36% 0.208 138.9)
XYZ	xyz(29.7268, 49.7927, 13.0445)
Luminance	0.4980 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D341 #AE41D3

analogous

#AFD341 #66D341 #41D365

triadic

#66D341 #4166D3 #D34166

tetradic

#66D341 #41AFD3 #AE41D3 #D36541

square

#66D341 #41AFD3 #AE41D3 #D36541

split-complementary

#66D341 #6541D3 #D341AF

monochromatic

#357D1D #4AAE28 #66D341 #8EDF73 #B6EAA4

Accessibility & contrast

On white

1.92

#66D341 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.96

#66D341 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D341

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D341	#FFFFFF	#000000	##000000
##66D341	1.00	1.92	10.96	10.96
#FFFFFF	1.92	1.00	21.00	21.00
#000000	10.96	21.00	1.00	1.00
##000000	10.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C12B

Deuteranopia (green-blind)

#CBB84F

Tritanopia (blue-blind)

#5CCCB6

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #66d341;
/* rgb */ color: rgb(102, 211, 65);
/* oklch */ color: oklch(77.4% 0.208 138.9);

Tailwind

colors: {
  custom: {
    50: '#9be17d',
    500: '#66d341',
    950: '#000000',
  },
}

SCSS

$custom: #66d341;
$custom-light: #9be17d;
$custom-dark: #000000;

JSON

{
  "hex": "#66d341",
  "rgb": {
    "r": 102,
    "g": 211,
    "b": 65
  },
  "hsl": {
    "h": 104.795,
    "s": 62.393,
    "l": 54.118
  },
  "oklch": {
    "l": 0.77365,
    "c": 0.20781,
    "h": 138.9
  },
  "luminance": 0.49795
}

Semantic roles & 50–950 ramp

primary

#66D341

secondary

#C799D7

accent

#42E5BC

background

#FAFDF8

surface

#F4FBEF

border

#CED4CA

text

#0F150A

muted

#7F837C

Preview Lab

Preview with #66D341

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

Preview Lab → · Contrast checker → · Palette generator →