#66D83C#66D83C

#66D83C is a light, highly saturated green. Relative luminance 0.523; OKLCH L 78.6% C 0.217 H 138.8°. Best body text is #000000 at 11.45:1 contrast (WCAG AA passes).

Color values

HEX	#66D83C
RGB	rgb(102, 216, 60)
HSL	hsl(104, 67%, 54%)
HSV	hsv(104, 72%, 85%)
CMYK	cmyk(52.8%, 0%, 72.2%, 15.3%)
CIE-LAB	lab(77.44, -59.13, 63.29)
CIE-LCH	lch(77.44, 86.61, 133.05°)
OKLab	oklab(78.59% -0.163 0.1429)
OKLCH	oklch(78.59% 0.217 138.8)
XYZ	xyz(30.8498, 52.2603, 12.7357)
Luminance	0.5226 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D83C #AE3CD8

analogous

#B4D83C #66D83C #3CD860

triadic

#66D83C #3C66D8 #D83C66

tetradic

#66D83C #3CB4D8 #AE3CD8 #D8603C

square

#66D83C #3CB4D8 #AE3CD8 #D8603C

split-complementary

#66D83C #603CD8 #D83CB4

monochromatic

#35801A #4AB324 #66D83C #8EE26F #B6ECA2

Accessibility & contrast

On white

1.83

#66D83C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.45

#66D83C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D83C

11.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D83C	#FFFFFF	#000000	##000000
##66D83C	1.00	1.83	11.45	11.45
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.45	21.00	1.00	1.00
##000000	11.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEC51F

Deuteranopia (green-blind)

#D0BC4C

Tritanopia (blue-blind)

#5CD1BA

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #66d83c;
/* rgb */ color: rgb(102, 216, 60);
/* oklch */ color: oklch(78.6% 0.217 138.8);

Tailwind

colors: {
  custom: {
    50: '#9ce57b',
    500: '#66d83c',
    950: '#000000',
  },
}

SCSS

$custom: #66d83c;
$custom-light: #9ce57b;
$custom-dark: #000000;

JSON

{
  "hex": "#66d83c",
  "rgb": {
    "r": 102,
    "g": 216,
    "b": 60
  },
  "hsl": {
    "h": 103.846,
    "s": 66.667,
    "l": 54.118
  },
  "oklch": {
    "l": 0.78585,
    "c": 0.21675,
    "h": 138.8
  },
  "luminance": 0.52263
}

Semantic roles & 50–950 ramp

primary

#66D83C

secondary

#703187

accent

#3EEABB

background

#FCFEFB

surface

#F6FCF2

border

#D0D5CC

text

#0F160A

muted

#80847D

Preview Lab

Preview with #66D83C

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

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