#66D84F#66D84F

#66D84F is a light, highly saturated green. Relative luminance 0.525; OKLCH L 78.7% C 0.204 H 140.5°. Best body text is #000000 at 11.50:1 contrast (WCAG AA passes).

Color values

HEX	#66D84F
RGB	rgb(102, 216, 79)
HSL	hsl(110, 64%, 58%)
HSV	hsv(110, 63%, 85%)
CMYK	cmyk(52.8%, 0%, 63.4%, 15.3%)
CIE-LAB	lab(77.58, -57.54, 56.08)
CIE-LCH	lch(77.58, 80.35, 135.73°)
OKLab	oklab(78.75% -0.1576 0.13)
OKLCH	oklch(78.75% 0.204 140.5)
XYZ	xyz(31.4453, 52.4985, 15.8718)
Luminance	0.5250 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D84F #C14FD8

analogous

#AAD84F #66D84F #4FD87C

triadic

#66D84F #4F66D8 #D84F66

tetradic

#66D84F #4FAAD8 #C14FD8 #D87C4F

square

#66D84F #4FAAD8 #C14FD8 #D87C4F

split-complementary

#66D84F #7C4FD8 #D84FAA

monochromatic

#328D1F #43BF2A #66D84F #92E381 #BDEEB3

Accessibility & contrast

On white

1.83

#66D84F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.50

#66D84F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D84F

11.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D84F	#FFFFFF	#000000	##000000
##66D84F	1.00	1.83	11.50	11.50
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.50	21.00	1.00	1.00
##000000	11.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEC63E

Deuteranopia (green-blind)

#CFBC5B

Tritanopia (blue-blind)

#59D1BB

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #66d84f;
/* rgb */ color: rgb(102, 216, 79);
/* oklch */ color: oklch(78.7% 0.204 140.5);

Tailwind

colors: {
  custom: {
    50: '#9be586',
    500: '#66d84f',
    950: '#000000',
  },
}

SCSS

$custom: #66d84f;
$custom-light: #9be586;
$custom-dark: #000000;

JSON

{
  "hex": "#66d84f",
  "rgb": {
    "r": 102,
    "g": 216,
    "b": 79
  },
  "hsl": {
    "h": 109.927,
    "s": 63.721,
    "l": 57.843
  },
  "oklch": {
    "l": 0.78747,
    "c": 0.20428,
    "h": 140.5
  },
  "luminance": 0.52501
}

Semantic roles & 50–950 ramp

primary

#66D84F

secondary

#843893

accent

#41E7CB

background

#FCFEFB

surface

#F5FCF2

border

#CFD5CC

text

#0F160B

muted

#80847E

Preview Lab

Preview with #66D84F

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

Preview Lab → · Contrast checker → · Palette generator →