#66D449#66D449

#66D449 is a light, highly saturated green. Relative luminance 0.504; OKLCH L 77.7% C 0.204 H 139.7°. Best body text is #000000 at 11.08:1 contrast (WCAG AA passes).

Color values

HEX	#66D449
RGB	rgb(102, 212, 73)
HSL	hsl(107, 62%, 56%)
HSV	hsv(107, 66%, 83%)
CMYK	cmyk(51.9%, 0%, 65.6%, 16.9%)
CIE-LAB	lab(76.31, -56.60, 57.17)
CIE-LCH	lch(76.31, 80.45, 134.71°)
OKLab	oklab(77.69% -0.1554 0.1317)
OKLCH	oklch(77.69% 0.204 139.7)
XYZ	xyz(30.2243, 50.3904, 14.4357)
Luminance	0.5039 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D449 #B749D4

analogous

#ABD449 #66D449 #49D471

triadic

#66D449 #4966D4 #D44966

tetradic

#66D449 #49ABD4 #B749D4 #D47149

square

#66D449 #49ABD4 #B749D4 #D47149

split-complementary

#66D449 #7149D4 #D449AB

monochromatic

#34841F #48B52B #66D449 #90E07B #B9EBAC

Accessibility & contrast

On white

1.90

#66D449 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.08

#66D449 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D449

11.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D449	#FFFFFF	#000000	##000000
##66D449	1.00	1.90	11.08	11.08
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.08	21.00	1.00	1.00
##000000	11.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAC237

Deuteranopia (green-blind)

#CBB955

Tritanopia (blue-blind)

#5BCDB7

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #66d449;
/* rgb */ color: rgb(102, 212, 73);
/* oklch */ color: oklch(77.7% 0.204 139.7);

Tailwind

colors: {
  custom: {
    50: '#9be282',
    500: '#66d449',
    950: '#000000',
  },
}

SCSS

$custom: #66d449;
$custom-light: #9be282;
$custom-dark: #000000;

JSON

{
  "hex": "#66d449",
  "rgb": {
    "r": 102,
    "g": 212,
    "b": 73
  },
  "hsl": {
    "h": 107.482,
    "s": 61.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.77686,
    "c": 0.20365,
    "h": 139.7
  },
  "luminance": 0.50393
}

Semantic roles & 50–950 ramp

primary

#66D449

secondary

#79378A

accent

#43E5C3

background

#FCFEFB

surface

#F5FCF2

border

#CFD5CC

text

#0F150B

muted

#80847E

Preview Lab

Preview with #66D449

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

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