#66F36F#66F36F

#66F36F is a very light, highly saturated green. Relative luminance 0.681; OKLCH L 85.8% C 0.213 H 144.5°. Best body text is #000000 at 14.61:1 contrast (WCAG AA passes).

Color values

HEX	#66F36F
RGB	rgb(102, 243, 111)
HSL	hsl(124, 85%, 68%)
HSV	hsv(124, 58%, 95%)
CMYK	cmyk(58%, 0%, 54.3%, 4.7%)
CIE-LAB	lab(86.04, -63.90, 51.78)
CIE-LCH	lch(86.04, 82.25, 140.98°)
OKLab	oklab(85.82% -0.1733 0.1235)
OKLCH	oklch(85.82% 0.213 144.5)
XYZ	xyz(40.3969, 68.0699, 26.0458)
Luminance	0.6807 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F36F #F366EA

analogous

#A3F366 #66F36F #66F3B6

triadic

#66F36F #6F66F3 #F36F66

tetradic

#66F36F #66A3F3 #F366EA #F3B666

square

#66F36F #66A3F3 #F366EA #F3B666

split-complementary

#66F36F #B666F3 #F366A3

monochromatic

#10CE1C #2DEF3A #66F36F #9FF7A4 #D7FCDA

Accessibility & contrast

On white

1.44

#66F36F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.61

#66F36F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F36F

14.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F36F	#FFFFFF	#000000	##000000
##66F36F	1.00	1.44	14.61	14.61
#FFFFFF	1.44	1.00	21.00	21.00
#000000	14.61	21.00	1.00	1.00
##000000	14.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F7DF63

Deuteranopia (green-blind)

#E5D279

Tritanopia (blue-blind)

#4BEDD5

Achromatopsia (no color)

#D7D7D7

Design tokens & code

CSS

--color: #66f36f;
/* rgb */ color: rgb(102, 243, 111);
/* oklch */ color: oklch(85.8% 0.213 144.5);

Tailwind

colors: {
  custom: {
    50: '#9ef89b',
    500: '#66f36f',
    950: '#000000',
  },
}

SCSS

$custom: #66f36f;
$custom-light: #9ef89b;
$custom-dark: #000000;

JSON

{
  "hex": "#66f36f",
  "rgb": {
    "r": 102,
    "g": 243,
    "b": 111
  },
  "hsl": {
    "h": 123.83,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.85819,
    "c": 0.21276,
    "h": 144.5
  },
  "luminance": 0.68074
}

Semantic roles & 50–950 ramp

primary

#66F36F

secondary

#CA33C1

accent

#04D4E2

background

#FCFFFC

surface

#F6FFF5

border

#D0D7CF

text

#10170E

muted

#80857F

Preview Lab

Preview with #66F36F

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

Preview Lab → · Contrast checker → · Palette generator →