#66F577#66F577

#66F577 is a very light, highly saturated green. Relative luminance 0.695; OKLCH L 86.4% C 0.209 H 145.7°. Best body text is #000000 at 14.89:1 contrast (WCAG AA passes).

Color values

HEX	#66F577
RGB	rgb(102, 245, 119)
HSL	hsl(127, 88%, 68%)
HSV	hsv(127, 58%, 96%)
CMYK	cmyk(58.4%, 0%, 51.4%, 3.9%)
CIE-LAB	lab(86.73, -63.61, 48.93)
CIE-LCH	lch(86.73, 80.25, 142.43°)
OKLab	oklab(86.42% -0.1722 0.1177)
OKLCH	oklch(86.42% 0.209 145.7)
XYZ	xyz(41.4591, 69.4576, 28.6710)
Luminance	0.6946 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F577 #F566E4

analogous

#9CF566 #66F577 #66F5BE

triadic

#66F577 #7766F5 #F57766

tetradic

#66F577 #669CF5 #F566E4 #F5BE66

square

#66F577 #669CF5 #F566E4 #F5BE66

split-complementary

#66F577 #BE66F5 #F5669C

monochromatic

#0ED325 #2DF144 #66F577 #9FF9AA #D9FDDD

Accessibility & contrast

On white

1.41

#66F577 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.89

#66F577 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F577

14.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F577	#FFFFFF	#000000	##000000
##66F577	1.00	1.41	14.89	14.89
#FFFFFF	1.41	1.00	21.00	21.00
#000000	14.89	21.00	1.00	1.00
##000000	14.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F9E16C

Deuteranopia (green-blind)

#E6D480

Tritanopia (blue-blind)

#47EFD8

Achromatopsia (no color)

#D9D9D9

Design tokens & code

CSS

--color: #66f577;
/* rgb */ color: rgb(102, 245, 119);
/* oklch */ color: oklch(86.4% 0.209 145.7);

Tailwind

colors: {
  custom: {
    50: '#9ef9a1',
    500: '#66f577',
    950: '#000000',
  },
}

SCSS

$custom: #66f577;
$custom-light: #9ef9a1;
$custom-dark: #000000;

JSON

{
  "hex": "#66f577",
  "rgb": {
    "r": 102,
    "g": 245,
    "b": 119
  },
  "hsl": {
    "h": 127.133,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.86416,
    "c": 0.20857,
    "h": 145.7
  },
  "luminance": 0.69462
}

Semantic roles & 50–950 ramp

primary

#66F577

secondary

#CE31BB

accent

#01C9E4

background

#FCFFFC

surface

#F6FFF5

border

#D0D7CF

text

#10170F

muted

#808580

Preview Lab

Preview with #66F577

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

Preview Lab → · Contrast checker → · Palette generator →