#66FA8B#66FA8B

#66FA8B is a very light, vivid green. Relative luminance 0.731; OKLCH L 87.9% C 0.198 H 148.9°. Best body text is #000000 at 15.61:1 contrast (WCAG AA passes).

Color values

HEX	#66FA8B
RGB	rgb(102, 250, 139)
HSL	hsl(135, 94%, 69%)
HSV	hsv(135, 59%, 98%)
CMYK	cmyk(59.2%, 0%, 44.4%, 2%)
CIE-LAB	lab(88.47, -62.59, 41.59)
CIE-LCH	lch(88.47, 75.15, 146.39°)
OKLab	oklab(87.94% -0.1692 0.102)
OKLCH	oklch(87.94% 0.198 148.9)
XYZ	xyz(44.3221, 73.0558, 36.1865)
Luminance	0.7306 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FA8B #FA66D5

analogous

#8BFA66 #66FA8B #66FAD5

triadic

#66FA8B #8B66FA #FA8B66

tetradic

#66FA8B #668BFA #FA66D5 #FAD566

square

#66FA8B #668BFA #FA66D5 #FAD566

split-complementary

#66FA8B #D566FA #FA668B

monochromatic

#07DE3D #2BF85E #66FA8B #A1FCB8 #DDFEE5

Accessibility & contrast

On white

1.35

#66FA8B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.61

#66FA8B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FA8B

15.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FA8B	#FFFFFF	#000000	##000000
##66FA8B	1.00	1.35	15.61	15.61
#FFFFFF	1.35	1.00	21.00	21.00
#000000	15.61	21.00	1.00	1.00
##000000	15.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCE683

Deuteranopia (green-blind)

#E9D993

Tritanopia (blue-blind)

#3DF6DF

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #66fa8b;
/* rgb */ color: rgb(102, 250, 139);
/* oklch */ color: oklch(87.9% 0.198 148.9);

Tailwind

colors: {
  custom: {
    50: '#9efdae',
    500: '#66fa8b',
    950: '#000000',
  },
}

SCSS

$custom: #66fa8b;
$custom-light: #9efdae;
$custom-dark: #000000;

JSON

{
  "hex": "#66fa8b",
  "rgb": {
    "r": 102,
    "g": 250,
    "b": 139
  },
  "hsl": {
    "h": 135,
    "s": 93.671,
    "l": 69.02
  },
  "oklch": {
    "l": 0.87935,
    "c": 0.19755,
    "h": 148.9
  },
  "luminance": 0.7306
}

Semantic roles & 50–950 ramp

primary

#66FA8B

secondary

#D430AB

accent

#00ACE6

background

#FCFFFD

surface

#F6FFF7

border

#D0D7D0

text

#101810

muted

#808681

Preview Lab

Preview with #66FA8B

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

Preview Lab → · Contrast checker → · Palette generator →