#66EA59#66EA59

#66EA59 is a very light, highly saturated green. Relative luminance 0.624; OKLCH L 83.3% C 0.219 H 141.9°. Best body text is #000000 at 13.48:1 contrast (WCAG AA passes).

Color values

HEX	#66EA59
RGB	rgb(102, 234, 89)
HSL	hsl(115, 78%, 63%)
HSV	hsv(115, 62%, 92%)
CMYK	cmyk(56.4%, 0%, 62%, 8.2%)
CIE-LAB	lab(83.12, -63.13, 58.05)
CIE-LCH	lch(83.12, 85.77, 137.40°)
OKLab	oklab(83.34% -0.1722 0.1352)
OKLCH	oklch(83.34% 0.219 141.9)
XYZ	xyz(36.7036, 62.3885, 19.5573)
Luminance	0.6239 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EA59 #DD59EA

analogous

#AEEA59 #66EA59 #59EA94

triadic

#66EA59 #5966EA #EA5966

tetradic

#66EA59 #59AEEA #DD59EA #EA9459

square

#66EA59 #59AEEA #DD59EA #EA9459

split-complementary

#66EA59 #9459EA #EA59AE

monochromatic

#24B217 #34E323 #66EA59 #98F18F #CAF8C6

Accessibility & contrast

On white

1.56

#66EA59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.48

#66EA59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EA59

13.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EA59	#FFFFFF	#000000	##000000
##66EA59	1.00	1.56	13.48	13.48
#FFFFFF	1.56	1.00	21.00	21.00
#000000	13.48	21.00	1.00	1.00
##000000	13.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD648

Deuteranopia (green-blind)

#DECB65

Tritanopia (blue-blind)

#53E3CB

Achromatopsia (no color)

#CFCFCF

Design tokens & code

CSS

--color: #66ea59;
/* rgb */ color: rgb(102, 234, 89);
/* oklch */ color: oklch(83.3% 0.219 141.9);

Tailwind

colors: {
  custom: {
    50: '#9df28d',
    500: '#66ea59',
    950: '#000000',
  },
}

SCSS

$custom: #66ea59;
$custom-light: #9df28d;
$custom-dark: #000000;

JSON

{
  "hex": "#66ea59",
  "rgb": {
    "r": 102,
    "g": 234,
    "b": 89
  },
  "hsl": {
    "h": 114.621,
    "s": 77.54,
    "l": 63.333
  },
  "oklch": {
    "l": 0.8334,
    "c": 0.21891,
    "h": 141.9
  },
  "luminance": 0.62392
}

Semantic roles & 50–950 ramp

primary

#66EA59

secondary

#A735B2

accent

#0CDAC7

background

#FCFFFC

surface

#F6FEF4

border

#D0D6CE

text

#10170D

muted

#80857F

Preview Lab

Preview with #66EA59

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

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