#66F09F#66F09F

#66F09F is a very light, vivid green. Relative luminance 0.676; OKLCH L 85.9% C 0.166 H 154.8°. Best body text is #000000 at 14.53:1 contrast (WCAG AA passes).

Color values

HEX	#66F09F
RGB	rgb(102, 240, 159)
HSL	hsl(145, 82%, 67%)
HSV	hsv(145, 58%, 94%)
CMYK	cmyk(57.5%, 0%, 33.8%, 5.9%)
CIE-LAB	lab(85.83, -55.39, 28.16)
CIE-LCH	lch(85.83, 62.14, 153.05°)
OKLab	oklab(85.87% -0.1505 0.0709)
OKLCH	oklch(85.87% 0.166 154.8)
XYZ	xyz(42.8941, 67.6441, 43.5903)
Luminance	0.6765 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F09F #F066B7

analogous

#72F066 #66F09F #66F0E4

triadic

#66F09F #9F66F0 #F09F66

tetradic

#66F09F #6672F0 #F066B7 #F0E466

square

#66F09F #6672F0 #F066B7 #F0E466

split-complementary

#66F09F #E466F0 #F06672

monochromatic

#14C85E #2EEB7C #66F09F #9EF5C2 #D5FBE5

Accessibility & contrast

On white

1.45

#66F09F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.53

#66F09F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F09F

14.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F09F	#FFFFFF	#000000	##000000
##66F09F	1.00	1.45	14.53	14.53
#FFFFFF	1.45	1.00	21.00	21.00
#000000	14.53	21.00	1.00	1.00
##000000	14.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFDF9A

Deuteranopia (green-blind)

#DDD1A4

Tritanopia (blue-blind)

#37EEDB

Achromatopsia (no color)

#D7D7D7

Design tokens & code

CSS

--color: #66f09f;
/* rgb */ color: rgb(102, 240, 159);
/* oklch */ color: oklch(85.9% 0.166 154.8);

Tailwind

colors: {
  custom: {
    50: '#9df6bc',
    500: '#66f09f',
    950: '#000000',
  },
}

SCSS

$custom: #66f09f;
$custom-light: #9df6bc;
$custom-dark: #000000;

JSON

{
  "hex": "#66f09f",
  "rgb": {
    "r": 102,
    "g": 240,
    "b": 159
  },
  "hsl": {
    "h": 144.783,
    "s": 82.143,
    "l": 67.059
  },
  "oklch": {
    "l": 0.85865,
    "c": 0.16634,
    "h": 154.8
  },
  "luminance": 0.67648
}

Semantic roles & 50–950 ramp

primary

#66F09F

secondary

#C5358A

accent

#0785DF

background

#FCFFFD

surface

#F6FFF8

border

#D0D7D1

text

#0F1712

muted

#808582

Preview Lab

Preview with #66F09F

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

Preview Lab → · Contrast checker → · Palette generator →