#66FB9A#66FB9A

#66FB9A is a very light, vivid green. Relative luminance 0.742; OKLCH L 88.4% C 0.185 H 152.1°. Best body text is #000000 at 15.83:1 contrast (WCAG AA passes).

Color values

HEX	#66FB9A
RGB	rgb(102, 251, 154)
HSL	hsl(141, 95%, 69%)
HSV	hsv(141, 59%, 98%)
CMYK	cmyk(59.4%, 0%, 38.6%, 1.6%)
CIE-LAB	lab(88.99, -60.54, 34.90)
CIE-LCH	lch(88.99, 69.88, 150.04°)
OKLab	oklab(88.43% -0.1638 0.0869)
OKLCH	oklch(88.43% 0.185 152.1)
XYZ	xyz(45.8058, 74.1478, 42.4636)
Luminance	0.7415 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FB9A #FB66C7

analogous

#7DFB66 #66FB9A #66FBE5

triadic

#66FB9A #9A66FB #FB9A66

tetradic

#66FB9A #667DFB #FB66C7 #FBE566

square

#66FB9A #667DFB #FB66C7 #FBE566

split-complementary

#66FB9A #E566FB #FB667D

monochromatic

#06E152 #2AF973 #66FB9A #A2FDC1 #DDFEE9

Accessibility & contrast

On white

1.33

#66FB9A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.83

#66FB9A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FB9A

15.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FB9A	#FFFFFF	#000000	##000000
##66FB9A	1.00	1.33	15.83	15.83
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.83	21.00	1.00	1.00
##000000	15.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCE893

Deuteranopia (green-blind)

#E8DAA0

Tritanopia (blue-blind)

#35F8E3

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #66fb9a;
/* rgb */ color: rgb(102, 251, 154);
/* oklch */ color: oklch(88.4% 0.185 152.1);

Tailwind

colors: {
  custom: {
    50: '#9efeb8',
    500: '#66fb9a',
    950: '#000000',
  },
}

SCSS

$custom: #66fb9a;
$custom-light: #9efeb8;
$custom-dark: #000000;

JSON

{
  "hex": "#66fb9a",
  "rgb": {
    "r": 102,
    "g": 251,
    "b": 154
  },
  "hsl": {
    "h": 140.94,
    "s": 94.904,
    "l": 69.216
  },
  "oklch": {
    "l": 0.88433,
    "c": 0.18545,
    "h": 152.1
  },
  "luminance": 0.74152
}

Semantic roles & 50–950 ramp

primary

#66FB9A

secondary

#D5309C

accent

#0095E6

background

#FCFFFD

surface

#F6FFF8

border

#D0D7D1

text

#101811

muted

#808681

Preview Lab

Preview with #66FB9A

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

Preview Lab → · Contrast checker → · Palette generator →