#66EA51#66EA51

#66EA51 is a very light, highly saturated green. Relative luminance 0.623; OKLCH L 83.3% C 0.225 H 141.1°. Best body text is #000000 at 13.45:1 contrast (WCAG AA passes).

Color values

HEX	#66EA51
RGB	rgb(102, 234, 81)
HSL	hsl(112, 78%, 62%)
HSV	hsv(112, 65%, 92%)
CMYK	cmyk(56.4%, 0%, 65.4%, 8.2%)
CIE-LAB	lab(83.05, -63.90, 61.25)
CIE-LCH	lch(83.05, 88.51, 136.21°)
OKLab	oklab(83.26% -0.1747 0.1412)
OKLCH	oklch(83.26% 0.225 141.1)
XYZ	xyz(36.3858, 62.2613, 17.8832)
Luminance	0.6226 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EA51 #D551EA

analogous

#B2EA51 #66EA51 #51EA89

triadic

#66EA51 #5166EA #EA5166

tetradic

#66EA51 #51B2EA #D551EA #EA8951

square

#66EA51 #51B2EA #D551EA #EA8951

split-complementary

#66EA51 #8951EA #EA51B2

monochromatic

#29AC15 #37E21B #66EA51 #96F188 #C6F7BE

Accessibility & contrast

On white

1.56

#66EA51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.45

#66EA51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EA51

13.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EA51	#FFFFFF	#000000	##000000
##66EA51	1.00	1.56	13.45	13.45
#FFFFFF	1.56	1.00	21.00	21.00
#000000	13.45	21.00	1.00	1.00
##000000	13.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F0D63D

Deuteranopia (green-blind)

#DFCB5F

Tritanopia (blue-blind)

#54E3CB

Achromatopsia (no color)

#CFCFCF

Design tokens & code

CSS

--color: #66ea51;
/* rgb */ color: rgb(102, 234, 81);
/* oklch */ color: oklch(83.3% 0.225 141.1);

Tailwind

colors: {
  custom: {
    50: '#9ef288',
    500: '#66ea51',
    950: '#000000',
  },
}

SCSS

$custom: #66ea51;
$custom-light: #9ef288;
$custom-dark: #000000;

JSON

{
  "hex": "#66ea51",
  "rgb": {
    "r": 102,
    "g": 234,
    "b": 81
  },
  "hsl": {
    "h": 111.765,
    "s": 78.462,
    "l": 61.765
  },
  "oklch": {
    "l": 0.83263,
    "c": 0.22458,
    "h": 141.1
  },
  "luminance": 0.62264
}

Semantic roles & 50–950 ramp

primary

#66EA51

secondary

#9C32AD

accent

#0BDBBE

background

#FCFFFC

surface

#F6FEF4

border

#D0D6CE

text

#10170C

muted

#80857F

Preview Lab

Preview with #66EA51

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

Preview Lab → · Contrast checker → · Palette generator →