#66CF49#66CF49

#66CF49 is a light, vivid green. Relative luminance 0.479; OKLCH L 76.4% C 0.197 H 139.5°. Best body text is #000000 at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#66CF49
RGB	rgb(102, 207, 73)
HSL	hsl(107, 58%, 55%)
HSV	hsv(107, 65%, 81%)
CMYK	cmyk(50.7%, 0%, 64.7%, 18.8%)
CIE-LAB	lab(74.78, -54.71, 55.51)
CIE-LCH	lch(74.78, 77.94, 134.58°)
OKLab	oklab(76.43% -0.1503 0.1281)
OKLCH	oklch(76.43% 0.197 139.5)
XYZ	xyz(28.9938, 47.9293, 14.0255)
Luminance	0.4793 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CF49 #B249CF

analogous

#A9CF49 #66CF49 #49CF6F

triadic

#66CF49 #4966CF #CF4966

tetradic

#66CF49 #49A9CF #B249CF #CF6F49

square

#66CF49 #49A9CF #B249CF #CF6F49

split-complementary

#66CF49 #6F49CF #CF49A9

monochromatic

#357D21 #49AD2E #66CF49 #8FDC79 #B7E9AA

Accessibility & contrast

On white

1.98

#66CF49 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.59

#66CF49 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CF49

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CF49	#FFFFFF	#000000	##000000
##66CF49	1.00	1.98	10.59	10.59
#FFFFFF	1.98	1.00	21.00	21.00
#000000	10.59	21.00	1.00	1.00
##000000	10.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5BE38

Deuteranopia (green-blind)

#C7B555

Tritanopia (blue-blind)

#5CC8B3

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #66cf49;
/* rgb */ color: rgb(102, 207, 73);
/* oklch */ color: oklch(76.4% 0.197 139.5);

Tailwind

colors: {
  custom: {
    50: '#9ade81',
    500: '#66cf49',
    950: '#000000',
  },
}

SCSS

$custom: #66cf49;
$custom-light: #9ade81;
$custom-dark: #000000;

JSON

{
  "hex": "#66cf49",
  "rgb": {
    "r": 102,
    "g": 207,
    "b": 73
  },
  "hsl": {
    "h": 107.015,
    "s": 58.261,
    "l": 54.902
  },
  "oklch": {
    "l": 0.76429,
    "c": 0.19748,
    "h": 139.5
  },
  "luminance": 0.47931
}

Semantic roles & 50–950 ramp

primary

#66CF49

secondary

#CA9ED6

accent

#46E1C0

background

#FAFDF8

surface

#F3FBEF

border

#CDD4CA

text

#0F150B

muted

#7F837C

Preview Lab

Preview with #66CF49

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

Preview Lab → · Contrast checker → · Palette generator →