#66E544#66E544

#66E544 is a light, highly saturated green. Relative luminance 0.593; OKLCH L 81.9% C 0.227 H 139.8°. Best body text is #000000 at 12.86:1 contrast (WCAG AA passes).

Color values

HEX	#66E544
RGB	rgb(102, 229, 68)
HSL	hsl(107, 76%, 58%)
HSV	hsv(107, 70%, 90%)
CMYK	cmyk(55.5%, 0%, 70.3%, 10.2%)
CIE-LAB	lab(81.44, -63.21, 64.51)
CIE-LCH	lch(81.44, 90.32, 134.42°)
OKLab	oklab(81.91% -0.1736 0.1465)
OKLCH	oklch(81.91% 0.227 139.8)
XYZ	xyz(34.5407, 59.2778, 15.0893)
Luminance	0.5928 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E544 #C344E5

analogous

#B7E544 #66E544 #44E572

triadic

#66E544 #4466E5 #E54466

tetradic

#66E544 #44B7E5 #C344E5 #E57244

square

#66E544 #44B7E5 #C344E5 #E57244

split-complementary

#66E544 #7244E5 #E544B7

monochromatic

#319915 #42CF1D #66E544 #92EC7A #BEF4AF

Accessibility & contrast

On white

1.63

#66E544 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.86

#66E544 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E544

12.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E544	#FFFFFF	#000000	##000000
##66E544	1.00	1.63	12.86	12.86
#FFFFFF	1.63	1.00	21.00	21.00
#000000	12.86	21.00	1.00	1.00
##000000	12.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EBD129

Deuteranopia (green-blind)

#DBC654

Tritanopia (blue-blind)

#57DEC5

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #66e544;
/* rgb */ color: rgb(102, 229, 68);
/* oklch */ color: oklch(81.9% 0.227 139.8);

Tailwind

colors: {
  custom: {
    50: '#9eee81',
    500: '#66e544',
    950: '#000000',
  },
}

SCSS

$custom: #66e544;
$custom-light: #9eee81;
$custom-dark: #000000;

JSON

{
  "hex": "#66e544",
  "rgb": {
    "r": 102,
    "g": 229,
    "b": 68
  },
  "hsl": {
    "h": 107.329,
    "s": 75.587,
    "l": 58.235
  },
  "oklch": {
    "l": 0.81906,
    "c": 0.2271,
    "h": 139.8
  },
  "luminance": 0.59281
}

Semantic roles & 50–950 ramp

primary

#66E544

secondary

#86309D

accent

#36F2CA

background

#FCFFFB

surface

#F6FEF2

border

#D0D6CC

text

#10160B

muted

#80857E

Preview Lab

Preview with #66E544

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

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