#66ED5C#66ED5C

#66ED5C is a very light, highly saturated green. Relative luminance 0.642; OKLCH L 84.1% C 0.220 H 142.2°. Best body text is #000000 at 13.83:1 contrast (WCAG AA passes).

Color values

HEX	#66ED5C
RGB	rgb(102, 237, 92)
HSL	hsl(116, 80%, 65%)
HSV	hsv(116, 61%, 93%)
CMYK	cmyk(57%, 0%, 61.2%, 7.1%)
CIE-LAB	lab(84.05, -63.90, 57.83)
CIE-LCH	lch(84.05, 86.19, 137.85°)
OKLab	oklab(84.12% -0.1741 0.135)
OKLCH	oklch(84.12% 0.22 142.2)
XYZ	xyz(37.6935, 64.1625, 20.5214)
Luminance	0.6417 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66ED5C #E35CED

analogous

#AFED5C #66ED5C #5CED9B

triadic

#66ED5C #5C66ED #ED5C66

tetradic

#66ED5C #5CAFED #E35CED #ED9B5C

square

#66ED5C #5CAFED #E35CED #ED9B5C

split-complementary

#66ED5C #9B5CED #ED5CAF

monochromatic

#20BA15 #32E725 #66ED5C #9AF393 #CDF9CA

Accessibility & contrast

On white

1.52

#66ED5C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.83

#66ED5C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66ED5C

13.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66ED5C	#FFFFFF	#000000	##000000
##66ED5C	1.00	1.52	13.83	13.83
#FFFFFF	1.52	1.00	21.00	21.00
#000000	13.83	21.00	1.00	1.00
##000000	13.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2D94C

Deuteranopia (green-blind)

#E1CD68

Tritanopia (blue-blind)

#51E6CE

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #66ed5c;
/* rgb */ color: rgb(102, 237, 92);
/* oklch */ color: oklch(84.1% 0.220 142.2);

Tailwind

colors: {
  custom: {
    50: '#9ef48f',
    500: '#66ed5c',
    950: '#000000',
  },
}

SCSS

$custom: #66ed5c;
$custom-light: #9ef48f;
$custom-dark: #000000;

JSON

{
  "hex": "#66ed5c",
  "rgb": {
    "r": 102,
    "g": 237,
    "b": 92
  },
  "hsl": {
    "h": 115.862,
    "s": 80.11,
    "l": 64.51
  },
  "oklch": {
    "l": 0.84116,
    "c": 0.22032,
    "h": 142.2
  },
  "luminance": 0.64166
}

Semantic roles & 50–950 ramp

primary

#66ED5C

secondary

#B034B9

accent

#09DCCE

background

#FCFFFC

surface

#F6FEF4

border

#D0D6CE

text

#10170D

muted

#80857F

Preview Lab

Preview with #66ED5C

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

Preview Lab → · Contrast checker → · Palette generator →