#66E559#66E559

#66E559 is a very light, highly saturated green. Relative luminance 0.596; OKLCH L 82.1% C 0.213 H 141.8°. Best body text is #000000 at 12.92:1 contrast (WCAG AA passes).

Color values

HEX	#66E559
RGB	rgb(102, 229, 89)
HSL	hsl(114, 73%, 62%)
HSV	hsv(114, 61%, 90%)
CMYK	cmyk(55.5%, 0%, 61.1%, 10.2%)
CIE-LAB	lab(81.61, -61.33, 56.36)
CIE-LCH	lch(81.61, 83.29, 137.42°)
OKLab	oklab(82.1% -0.1673 0.1316)
OKLCH	oklch(82.1% 0.213 141.8)
XYZ	xyz(35.3002, 59.5816, 19.0894)
Luminance	0.5958 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E559 #D859E5

analogous

#ACE559 #66E559 #59E592

triadic

#66E559 #5966E5 #E55966

tetradic

#66E559 #59ACE5 #D859E5 #E59259

square

#66E559 #59ACE5 #D859E5 #E59259

split-complementary

#66E559 #9259E5 #E559AC

monochromatic

#28A91A #35DD24 #66E559 #97ED8E #C8F6C3

Accessibility & contrast

On white

1.63

#66E559 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.92

#66E559 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E559

12.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E559	#FFFFFF	#000000	##000000
##66E559	1.00	1.63	12.92	12.92
#FFFFFF	1.63	1.00	21.00	21.00
#000000	12.92	21.00	1.00	1.00
##000000	12.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EAD249

Deuteranopia (green-blind)

#DAC765

Tritanopia (blue-blind)

#54DEC7

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #66e559;
/* rgb */ color: rgb(102, 229, 89);
/* oklch */ color: oklch(82.1% 0.213 141.8);

Tailwind

colors: {
  custom: {
    50: '#9dee8d',
    500: '#66e559',
    950: '#000000',
  },
}

SCSS

$custom: #66e559;
$custom-light: #9dee8d;
$custom-dark: #000000;

JSON

{
  "hex": "#66e559",
  "rgb": {
    "r": 102,
    "g": 229,
    "b": 89
  },
  "hsl": {
    "h": 114.429,
    "s": 72.917,
    "l": 62.353
  },
  "oklch": {
    "l": 0.82096,
    "c": 0.21284,
    "h": 141.8
  },
  "luminance": 0.59585
}

Semantic roles & 50–950 ramp

primary

#66E559

secondary

#A037AB

accent

#10D5C3

background

#FCFFFC

surface

#F6FEF4

border

#D0D6CE

text

#0F160C

muted

#80857F

Preview Lab

Preview with #66E559

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

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