#66FC6E#66FC6E

#66FC6E is a very light, highly saturated green. Relative luminance 0.736; OKLCH L 88.0% C 0.225 H 144.2°. Best body text is #000000 at 15.71:1 contrast (WCAG AA passes).

Color values

HEX	#66FC6E
RGB	rgb(102, 252, 110)
HSL	hsl(123, 96%, 69%)
HSV	hsv(123, 60%, 99%)
CMYK	cmyk(59.5%, 0%, 56.3%, 1.2%)
CIE-LAB	lab(88.72, -67.23, 55.40)
CIE-LCH	lch(88.72, 87.11, 140.51°)
OKLab	oklab(88.02% -0.1823 0.1313)
OKLCH	oklch(88.02% 0.225 144.2)
XYZ	xyz(43.1018, 73.5673, 26.6773)
Luminance	0.7357 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FC6E #FC66F4

analogous

#A9FC66 #66FC6E #66FCB9

triadic

#66FC6E #6E66FC #FC6E66

tetradic

#66FC6E #66A9FC #FC66F4 #FCB966

square

#66FC6E #66A9FC #FC66F4 #FCB966

split-complementary

#66FC6E #B966FC #FC66A9

monochromatic

#04E310 #2AFB35 #66FC6E #A2FDA7 #DEFEE0

Accessibility & contrast

On white

1.34

#66FC6E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.71

#66FC6E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FC6E

15.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FC6E	#FFFFFF	#000000	##000000
##66FC6E	1.00	1.34	15.71	15.71
#FFFFFF	1.34	1.00	21.00	21.00
#000000	15.71	21.00	1.00	1.00
##000000	15.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE760

Deuteranopia (green-blind)

#EEDA79

Tritanopia (blue-blind)

#48F6DD

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #66fc6e;
/* rgb */ color: rgb(102, 252, 110);
/* oklch */ color: oklch(88.0% 0.225 144.2);

Tailwind

colors: {
  custom: {
    50: '#9ffe9b',
    500: '#66fc6e',
    950: '#000000',
  },
}

SCSS

$custom: #66fc6e;
$custom-light: #9ffe9b;
$custom-dark: #000000;

JSON

{
  "hex": "#66fc6e",
  "rgb": {
    "r": 102,
    "g": 252,
    "b": 110
  },
  "hsl": {
    "h": 123.2,
    "s": 96.154,
    "l": 69.412
  },
  "oklch": {
    "l": 0.88021,
    "c": 0.22466,
    "h": 144.2
  },
  "luminance": 0.73571
}

Semantic roles & 50–950 ramp

primary

#66FC6E

secondary

#D630CE

accent

#00D9E6

background

#FDFFFC

surface

#F7FFF5

border

#D0D7CF

text

#10180E

muted

#81867F

Preview Lab

Preview with #66FC6E

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

Preview Lab → · Contrast checker → · Palette generator →