#66FC6F#66FC6F

#66FC6F is a very light, highly saturated green. Relative luminance 0.736; OKLCH L 88.0% C 0.224 H 144.4°. Best body text is #000000 at 15.72:1 contrast (WCAG AA passes).

Color values

HEX	#66FC6F
RGB	rgb(102, 252, 111)
HSL	hsl(124, 96%, 69%)
HSV	hsv(124, 60%, 99%)
CMYK	cmyk(59.5%, 0%, 56%, 1.2%)
CIE-LAB	lab(88.73, -67.11, 54.97)
CIE-LCH	lch(88.73, 86.75, 140.68°)
OKLab	oklab(88.03% -0.1819 0.1304)
OKLCH	oklch(88.03% 0.224 144.4)
XYZ	xyz(43.1566, 73.5892, 26.9657)
Luminance	0.7359 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FC6F #FC66F3

analogous

#A8FC66 #66FC6F #66FCBA

triadic

#66FC6F #6F66FC #FC6F66

tetradic

#66FC6F #66A8FC #FC66F3 #FCBA66

square

#66FC6F #66A8FC #FC66F3 #FCBA66

split-complementary

#66FC6F #BA66FC #FC66A8

monochromatic

#04E312 #2AFB37 #66FC6F #A2FDA7 #DEFEE0

Accessibility & contrast

On white

1.34

#66FC6F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.72

#66FC6F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FC6F

15.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FC6F	#FFFFFF	#000000	##000000
##66FC6F	1.00	1.34	15.72	15.72
#FFFFFF	1.34	1.00	21.00	21.00
#000000	15.72	21.00	1.00	1.00
##000000	15.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE761

Deuteranopia (green-blind)

#EDDA7A

Tritanopia (blue-blind)

#47F6DD

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #66fc6f;
/* rgb */ color: rgb(102, 252, 111);
/* oklch */ color: oklch(88.0% 0.224 144.4);

Tailwind

colors: {
  custom: {
    50: '#9ffe9c',
    500: '#66fc6f',
    950: '#000000',
  },
}

SCSS

$custom: #66fc6f;
$custom-light: #9ffe9c;
$custom-dark: #000000;

JSON

{
  "hex": "#66fc6f",
  "rgb": {
    "r": 102,
    "g": 252,
    "b": 111
  },
  "hsl": {
    "h": 123.6,
    "s": 96.154,
    "l": 69.412
  },
  "oklch": {
    "l": 0.88033,
    "c": 0.22386,
    "h": 144.4
  },
  "luminance": 0.73593
}

Semantic roles & 50–950 ramp

primary

#66FC6F

secondary

#D630CC

accent

#00D8E6

background

#FDFFFC

surface

#F7FFF5

border

#D0D7CF

text

#10180E

muted

#81867F

Preview Lab

Preview with #66FC6F

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

Preview Lab → · Contrast checker → · Palette generator →