#66E359#66E359

#66E359 is a light, highly saturated green. Relative luminance 0.585; OKLCH L 81.6% C 0.210 H 141.8°. Best body text is #000000 at 12.70:1 contrast (WCAG AA passes).

Color values

HEX	#66E359
RGB	rgb(102, 227, 89)
HSL	hsl(114, 71%, 62%)
HSV	hsv(114, 61%, 89%)
CMYK	cmyk(55.1%, 0%, 60.8%, 11%)
CIE-LAB	lab(81.01, -60.60, 55.67)
CIE-LCH	lch(81.01, 82.29, 137.43°)
OKLab	oklab(81.6% -0.1653 0.1301)
OKLCH	oklch(81.6% 0.21 141.8)
XYZ	xyz(34.7500, 58.4813, 18.9061)
Luminance	0.5848 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E359 #D659E3

analogous

#ABE359 #66E359 #59E391

triadic

#66E359 #5966E3 #E35966

tetradic

#66E359 #59ABE3 #D659E3 #E39159

square

#66E359 #59ABE3 #D659E3 #E39159

split-complementary

#66E359 #9159E3 #E359AB

monochromatic

#29A61C #36DA25 #66E359 #96EC8D #C7F5C2

Accessibility & contrast

On white

1.65

#66E359 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.70

#66E359 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E359

12.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E359	#FFFFFF	#000000	##000000
##66E359	1.00	1.65	12.70	12.70
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.70	21.00	1.00	1.00
##000000	12.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E8D04A

Deuteranopia (green-blind)

#D8C564

Tritanopia (blue-blind)

#55DCC6

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #66e359;
/* rgb */ color: rgb(102, 227, 89);
/* oklch */ color: oklch(81.6% 0.210 141.8);

Tailwind

colors: {
  custom: {
    50: '#9ced8d',
    500: '#66e359',
    950: '#000000',
  },
}

SCSS

$custom: #66e359;
$custom-light: #9ced8d;
$custom-dark: #000000;

JSON

{
  "hex": "#66e359",
  "rgb": {
    "r": 102,
    "g": 227,
    "b": 89
  },
  "hsl": {
    "h": 114.348,
    "s": 71.134,
    "l": 61.961
  },
  "oklch": {
    "l": 0.81598,
    "c": 0.21038,
    "h": 141.8
  },
  "luminance": 0.58484
}

Semantic roles & 50–950 ramp

primary

#66E359

secondary

#9D38A8

accent

#12D3C1

background

#FCFFFC

surface

#F6FEF4

border

#D0D6CE

text

#0F160C

muted

#80857F

Preview Lab

Preview with #66E359

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

Preview Lab → · Contrast checker → · Palette generator →