#66F377#66F377

#66F377 is a very light, highly saturated green. Relative luminance 0.683; OKLCH L 85.9% C 0.206 H 145.7°. Best body text is #000000 at 14.65:1 contrast (WCAG AA passes).

Color values

HEX	#66F377
RGB	rgb(102, 243, 119)
HSL	hsl(127, 85%, 68%)
HSV	hsv(127, 58%, 95%)
CMYK	cmyk(58%, 0%, 51%, 4.7%)
CIE-LAB	lab(86.13, -62.88, 48.20)
CIE-LCH	lch(86.13, 79.23, 142.53°)
OKLab	oklab(85.92% -0.1703 0.1161)
OKLCH	oklch(85.92% 0.206 145.7)
XYZ	xyz(40.8573, 68.2541, 28.4704)
Luminance	0.6826 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F377 #F366E2

analogous

#9BF366 #66F377 #66F3BD

triadic

#66F377 #7766F3 #F37766

tetradic

#66F377 #669BF3 #F366E2 #F3BD66

square

#66F377 #669BF3 #F366E2 #F3BD66

split-complementary

#66F377 #BD66F3 #F3669B

monochromatic

#10CE27 #2DEF45 #66F377 #9FF7A9 #D7FCDC

Accessibility & contrast

On white

1.43

#66F377 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.65

#66F377 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F377

14.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F377	#FFFFFF	#000000	##000000
##66F377	1.00	1.43	14.65	14.65
#FFFFFF	1.43	1.00	21.00	21.00
#000000	14.65	21.00	1.00	1.00
##000000	14.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F6DF6C

Deuteranopia (green-blind)

#E4D380

Tritanopia (blue-blind)

#48EED7

Achromatopsia (no color)

#D7D7D7

Design tokens & code

CSS

--color: #66f377;
/* rgb */ color: rgb(102, 243, 119);
/* oklch */ color: oklch(85.9% 0.206 145.7);

Tailwind

colors: {
  custom: {
    50: '#9ef8a1',
    500: '#66f377',
    950: '#000000',
  },
}

SCSS

$custom: #66f377;
$custom-light: #9ef8a1;
$custom-dark: #000000;

JSON

{
  "hex": "#66f377",
  "rgb": {
    "r": 102,
    "g": 243,
    "b": 119
  },
  "hsl": {
    "h": 127.234,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.85924,
    "c": 0.20604,
    "h": 145.7
  },
  "luminance": 0.68258
}

Semantic roles & 50–950 ramp

primary

#66F377

secondary

#CA33B8

accent

#04C7E2

background

#FCFFFC

surface

#F6FFF5

border

#D0D7CF

text

#10170F

muted

#808580

Preview Lab

Preview with #66F377

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

Preview Lab → · Contrast checker → · Palette generator →