#66D82F#66D82F

#66D82F is a light, highly saturated green. Relative luminance 0.521; OKLCH L 78.5% C 0.224 H 137.9°. Best body text is #000000 at 11.43:1 contrast (WCAG AA passes).

Color values

HEX	#66D82F
RGB	rgb(102, 216, 47)
HSL	hsl(100, 68%, 52%)
HSV	hsv(100, 78%, 85%)
CMYK	cmyk(52.8%, 0%, 78.2%, 15.3%)
CIE-LAB	lab(77.36, -59.94, 67.42)
CIE-LCH	lch(77.36, 90.21, 131.64°)
OKLab	oklab(78.5% -0.1659 0.1497)
OKLCH	oklch(78.5% 0.224 137.9)
XYZ	xyz(30.5474, 52.1394, 11.1430)
Luminance	0.5214 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D82F #A12FD8

analogous

#BBD82F #66D82F #2FD84D

triadic

#66D82F #2F66D8 #D82F66

tetradic

#66D82F #2FBBD8 #A12FD8 #D84D2F

square

#66D82F #2FBBD8 #A12FD8 #D84D2F

split-complementary

#66D82F #4D2FD8 #D82FBB

monochromatic

#367616 #4DAA20 #66D82F #8CE263 #B2EB96

Accessibility & contrast

On white

1.84

#66D82F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.43

#66D82F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D82F

11.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D82F	#FFFFFF	#000000	##000000
##66D82F	1.00	1.84	11.43	11.43
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.43	21.00	1.00	1.00
##000000	11.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFC500

Deuteranopia (green-blind)

#D0BC43

Tritanopia (blue-blind)

#5DD0B9

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #66d82f;
/* rgb */ color: rgb(102, 216, 47);
/* oklch */ color: oklch(78.5% 0.224 137.9);

Tailwind

colors: {
  custom: {
    50: '#9de575',
    500: '#66d82f',
    950: '#000000',
  },
}

SCSS

$custom: #66d82f;
$custom-light: #9de575;
$custom-dark: #000000;

JSON

{
  "hex": "#66d82f",
  "rgb": {
    "r": 102,
    "g": 216,
    "b": 47
  },
  "hsl": {
    "h": 100.473,
    "s": 68.421,
    "l": 51.569
  },
  "oklch": {
    "l": 0.78502,
    "c": 0.22351,
    "h": 137.9
  },
  "luminance": 0.52142
}

Semantic roles & 50–950 ramp

primary

#66D82F

secondary

#642D7F

accent

#3DEBB2

background

#FCFEFB

surface

#F6FCF1

border

#D0D5CB

text

#0F1609

muted

#80847D

Preview Lab

Preview with #66D82F

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

Preview Lab → · Contrast checker → · Palette generator →