#66FB9B#66FB9B

#66FB9B is a very light, vivid green. Relative luminance 0.742; OKLCH L 88.5% C 0.185 H 152.3°. Best body text is #000000 at 15.84:1 contrast (WCAG AA passes).

Color values

HEX	#66FB9B
RGB	rgb(102, 251, 155)
HSL	hsl(141, 95%, 69%)
HSV	hsv(141, 59%, 98%)
CMYK	cmyk(59.4%, 0%, 38.2%, 1.6%)
CIE-LAB	lab(89.01, -60.37, 34.42)
CIE-LCH	lch(89.01, 69.50, 150.31°)
OKLab	oklab(88.45% -0.1634 0.0858)
OKLCH	oklch(88.45% 0.185 152.3)
XYZ	xyz(45.8895, 74.1812, 42.9041)
Luminance	0.7419 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FB9B #FB66C6

analogous

#7CFB66 #66FB9B #66FBE5

triadic

#66FB9B #9B66FB #FB9B66

tetradic

#66FB9B #667CFB #FB66C6 #FBE566

square

#66FB9B #667CFB #FB66C6 #FBE566

split-complementary

#66FB9B #E566FB #FB667C

monochromatic

#06E154 #2AF974 #66FB9B #A2FDC2 #DDFEE9

Accessibility & contrast

On white

1.33

#66FB9B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.84

#66FB9B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FB9B

15.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FB9B	#FFFFFF	#000000	##000000
##66FB9B	1.00	1.33	15.84	15.84
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.84	21.00	1.00	1.00
##000000	15.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FBE894

Deuteranopia (green-blind)

#E8DAA1

Tritanopia (blue-blind)

#34F8E3

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #66fb9b;
/* rgb */ color: rgb(102, 251, 155);
/* oklch */ color: oklch(88.5% 0.185 152.3);

Tailwind

colors: {
  custom: {
    50: '#9efeb9',
    500: '#66fb9b',
    950: '#000000',
  },
}

SCSS

$custom: #66fb9b;
$custom-light: #9efeb9;
$custom-dark: #000000;

JSON

{
  "hex": "#66fb9b",
  "rgb": {
    "r": 102,
    "g": 251,
    "b": 155
  },
  "hsl": {
    "h": 141.342,
    "s": 94.904,
    "l": 69.216
  },
  "oklch": {
    "l": 0.88452,
    "c": 0.18455,
    "h": 152.3
  },
  "luminance": 0.74186
}

Semantic roles & 50–950 ramp

primary

#66FB9B

secondary

#D5309A

accent

#0094E6

background

#FCFFFD

surface

#F6FFF8

border

#D0D7D1

text

#101811

muted

#808681

Preview Lab

Preview with #66FB9B

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

Preview Lab → · Contrast checker → · Palette generator →