#66FD79#66FD79

#66FD79 is a very light, highly saturated green. Relative luminance 0.745; OKLCH L 88.4% C 0.217 H 145.7°. Best body text is #000000 at 15.89:1 contrast (WCAG AA passes).

Color values

HEX	#66FD79
RGB	rgb(102, 253, 121)
HSL	hsl(128, 97%, 70%)
HSV	hsv(128, 60%, 99%)
CMYK	cmyk(59.7%, 0%, 52.2%, 0.8%)
CIE-LAB	lab(89.14, -66.22, 50.93)
CIE-LCH	lch(89.14, 83.55, 142.44°)
OKLab	oklab(88.41% -0.1792 0.1222)
OKLCH	oklch(88.41% 0.217 145.7)
XYZ	xyz(44.0532, 74.4516, 30.1345)
Luminance	0.7446 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FD79 #FD66EA

analogous

#9EFD66 #66FD79 #66FDC5

triadic

#66FD79 #7966FD #FD7966

tetradic

#66FD79 #669EFD #FD66EA #FDC566

square

#66FD79 #669EFD #FD66EA #FDC566

split-complementary

#66FD79 #C566FD #FD669E

monochromatic

#03E620 #2AFC44 #66FD79 #A2FEAE #DFFFE3

Accessibility & contrast

On white

1.32

#66FD79 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.89

#66FD79 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FD79

15.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FD79	#FFFFFF	#000000	##000000
##66FD79	1.00	1.32	15.89	15.89
#FFFFFF	1.32	1.00	21.00	21.00
#000000	15.89	21.00	1.00	1.00
##000000	15.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE86D

Deuteranopia (green-blind)

#EDDB83

Tritanopia (blue-blind)

#44F7DF

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #66fd79;
/* rgb */ color: rgb(102, 253, 121);
/* oklch */ color: oklch(88.4% 0.217 145.7);

Tailwind

colors: {
  custom: {
    50: '#9fffa2',
    500: '#66fd79',
    950: '#000000',
  },
}

SCSS

$custom: #66fd79;
$custom-light: #9fffa2;
$custom-dark: #000000;

JSON

{
  "hex": "#66fd79",
  "rgb": {
    "r": 102,
    "g": 253,
    "b": 121
  },
  "hsl": {
    "h": 127.55,
    "s": 97.419,
    "l": 69.608
  },
  "oklch": {
    "l": 0.88405,
    "c": 0.21693,
    "h": 145.7
  },
  "luminance": 0.74456
}

Semantic roles & 50–950 ramp

primary

#66FD79

secondary

#D82FC3

accent

#00C9E6

background

#FDFFFC

surface

#F7FFF6

border

#D0D7D0

text

#10180F

muted

#818680

Preview Lab

Preview with #66FD79

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

Preview Lab → · Contrast checker → · Palette generator →