#66D949#66D949

#66D949 is a light, highly saturated green. Relative luminance 0.529; OKLCH L 78.9% C 0.210 H 139.9°. Best body text is #000000 at 11.59:1 contrast (WCAG AA passes).

Color values

HEX	#66D949
RGB	rgb(102, 217, 73)
HSL	hsl(108, 65%, 57%)
HSV	hsv(108, 66%, 85%)
CMYK	cmyk(53%, 0%, 66.4%, 14.9%)
CIE-LAB	lab(77.83, -58.46, 58.81)
CIE-LCH	lch(77.83, 82.93, 134.83°)
OKLab	oklab(78.94% -0.1604 0.1351)
OKLCH	oklch(78.94% 0.21 139.9)
XYZ	xyz(31.4936, 52.9290, 14.8588)
Luminance	0.5293 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D949 #BC49D9

analogous

#AED949 #66D949 #49D974

triadic

#66D949 #4966D9 #D94966

tetradic

#66D949 #49AED9 #BC49D9 #D97449

square

#66D949 #49AED9 #BC49D9 #D97449

split-complementary

#66D949 #7449D9 #D949AE

monochromatic

#338B1D #46BD28 #66D949 #91E47C #BBEEAE

Accessibility & contrast

On white

1.81

#66D949 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.59

#66D949 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D949

11.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D949	#FFFFFF	#000000	##000000
##66D949	1.00	1.81	11.59	11.59
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.59	21.00	1.00	1.00
##000000	11.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFC635

Deuteranopia (green-blind)

#D0BD56

Tritanopia (blue-blind)

#5AD2BC

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #66d949;
/* rgb */ color: rgb(102, 217, 73);
/* oklch */ color: oklch(78.9% 0.210 139.9);

Tailwind

colors: {
  custom: {
    50: '#9ce682',
    500: '#66d949',
    950: '#000000',
  },
}

SCSS

$custom: #66d949;
$custom-light: #9ce682;
$custom-dark: #000000;

JSON

{
  "hex": "#66d949",
  "rgb": {
    "r": 102,
    "g": 217,
    "b": 73
  },
  "hsl": {
    "h": 107.917,
    "s": 65.455,
    "l": 56.863
  },
  "oklch": {
    "l": 0.78941,
    "c": 0.20974,
    "h": 139.9
  },
  "luminance": 0.52932
}

Semantic roles & 50–950 ramp

primary

#66D949

secondary

#7E3691

accent

#3FE8C6

background

#FCFEFB

surface

#F6FCF2

border

#D0D5CC

text

#0F160B

muted

#80847E

Preview Lab

Preview with #66D949

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

Preview Lab → · Contrast checker → · Palette generator →