#66D346#66D346

#66D346 is a light, highly saturated green. Relative luminance 0.499; OKLCH L 77.4% C 0.205 H 139.4°. Best body text is #000000 at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#66D346
RGB	rgb(102, 211, 70)
HSL	hsl(106, 62%, 55%)
HSV	hsv(106, 67%, 83%)
CMYK	cmyk(51.7%, 0%, 66.8%, 17.3%)
CIE-LAB	lab(75.98, -56.49, 58.02)
CIE-LCH	lch(75.98, 80.98, 134.23°)
OKLab	oklab(77.41% -0.1553 0.1331)
OKLCH	oklch(77.41% 0.205 139.4)
XYZ	xyz(29.8781, 49.8532, 13.8414)
Luminance	0.4986 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D346 #B346D3

analogous

#ACD346 #66D346 #46D36C

triadic

#66D346 #4666D3 #D34666

tetradic

#66D346 #46ACD3 #B346D3 #D36C46

square

#66D346 #46ACD3 #B346D3 #D36C46

split-complementary

#66D346 #6C46D3 #D346AC

monochromatic

#35801E #49B22A #66D346 #8FDF77 #B8EBA9

Accessibility & contrast

On white

1.91

#66D346 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.97

#66D346 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D346

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D346	#FFFFFF	#000000	##000000
##66D346	1.00	1.91	10.97	10.97
#FFFFFF	1.91	1.00	21.00	21.00
#000000	10.97	21.00	1.00	1.00
##000000	10.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C133

Deuteranopia (green-blind)

#CBB853

Tritanopia (blue-blind)

#5CCCB6

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #66d346;
/* rgb */ color: rgb(102, 211, 70);
/* oklch */ color: oklch(77.4% 0.205 139.4);

Tailwind

colors: {
  custom: {
    50: '#9be180',
    500: '#66d346',
    950: '#000000',
  },
}

SCSS

$custom: #66d346;
$custom-light: #9be180;
$custom-dark: #000000;

JSON

{
  "hex": "#66d346",
  "rgb": {
    "r": 102,
    "g": 211,
    "b": 70
  },
  "hsl": {
    "h": 106.383,
    "s": 61.572,
    "l": 55.098
  },
  "oklch": {
    "l": 0.77407,
    "c": 0.20451,
    "h": 139.4
  },
  "luminance": 0.49856
}

Semantic roles & 50–950 ramp

primary

#66D346

secondary

#CB9DD8

accent

#43E5C0

background

#FAFDF8

surface

#F4FBEF

border

#CED4CA

text

#0F150B

muted

#7F837C

Preview Lab

Preview with #66D346

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

Preview Lab → · Contrast checker → · Palette generator →