#66F291#66F291

#66F291 is a very light, vivid green. Relative luminance 0.684; OKLCH L 86.1% C 0.182 H 150.8°. Best body text is #000000 at 14.67:1 contrast (WCAG AA passes).

Color values

HEX	#66F291
RGB	rgb(102, 242, 145)
HSL	hsl(138, 84%, 67%)
HSV	hsv(138, 58%, 95%)
CMYK	cmyk(57.9%, 0%, 40.1%, 5.1%)
CIE-LAB	lab(86.19, -58.62, 35.69)
CIE-LCH	lch(86.19, 68.63, 148.66°)
OKLab	oklab(86.09% -0.1586 0.0885)
OKLCH	oklch(86.09% 0.182 150.8)
XYZ	xyz(42.3393, 68.3694, 37.7480)
Luminance	0.6837 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F291 #F266C7

analogous

#81F266 #66F291 #66F2D7

triadic

#66F291 #9166F2 #F29166

tetradic

#66F291 #6681F2 #F266C7 #F2D766

square

#66F291 #6681F2 #F266C7 #F2D766

split-complementary

#66F291 #D766F2 #F26681

monochromatic

#11CC4B #2EED68 #66F291 #9EF7BA #D7FCE2

Accessibility & contrast

On white

1.43

#66F291 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.67

#66F291 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F291

14.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F291	#FFFFFF	#000000	##000000
##66F291	1.00	1.43	14.67	14.67
#FFFFFF	1.43	1.00	21.00	21.00
#000000	14.67	21.00	1.00	1.00
##000000	14.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F3DF8A

Deuteranopia (green-blind)

#E0D297

Tritanopia (blue-blind)

#3EEEDA

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #66f291;
/* rgb */ color: rgb(102, 242, 145);
/* oklch */ color: oklch(86.1% 0.182 150.8);

Tailwind

colors: {
  custom: {
    50: '#9df7b2',
    500: '#66f291',
    950: '#000000',
  },
}

SCSS

$custom: #66f291;
$custom-light: #9df7b2;
$custom-dark: #000000;

JSON

{
  "hex": "#66f291",
  "rgb": {
    "r": 102,
    "g": 242,
    "b": 145
  },
  "hsl": {
    "h": 138.429,
    "s": 84.337,
    "l": 67.451
  },
  "oklch": {
    "l": 0.86087,
    "c": 0.18165,
    "h": 150.8
  },
  "luminance": 0.68373
}

Semantic roles & 50–950 ramp

primary

#66F291

secondary

#C9349B

accent

#059DE1

background

#FCFFFD

surface

#F6FFF8

border

#D0D7D1

text

#0F1711

muted

#808581

Preview Lab

Preview with #66F291

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

Preview Lab → · Contrast checker → · Palette generator →