#66EF9F#66EF9F

#66EF9F is a very light, vivid green. Relative luminance 0.671; OKLCH L 85.6% C 0.165 H 154.9°. Best body text is #000000 at 14.41:1 contrast (WCAG AA passes).

Color values

HEX	#66EF9F
RGB	rgb(102, 239, 159)
HSL	hsl(145, 81%, 67%)
HSV	hsv(145, 57%, 94%)
CMYK	cmyk(57.3%, 0%, 33.5%, 6.3%)
CIE-LAB	lab(85.53, -55.00, 27.76)
CIE-LCH	lch(85.53, 61.61, 153.21°)
OKLab	oklab(85.62% -0.1495 0.0699)
OKLCH	oklch(85.62% 0.165 154.9)
XYZ	xyz(42.6005, 67.0570, 43.4925)
Luminance	0.6706 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EF9F #EF66B6

analogous

#72EF66 #66EF9F #66EFE4

triadic

#66EF9F #9F66EF #EF9F66

tetradic

#66EF9F #6672EF #EF66B6 #EFE466

square

#66EF9F #6672EF #EF66B6 #EFE466

split-complementary

#66EF9F #E466EF #EF6672

monochromatic

#15C65E #2FE97C #66EF9F #9DF5C2 #D5FBE5

Accessibility & contrast

On white

1.46

#66EF9F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.41

#66EF9F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EF9F

14.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EF9F	#FFFFFF	#000000	##000000
##66EF9F	1.00	1.46	14.41	14.41
#FFFFFF	1.46	1.00	21.00	21.00
#000000	14.41	21.00	1.00	1.00
##000000	14.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EEDE9A

Deuteranopia (green-blind)

#DCD0A4

Tritanopia (blue-blind)

#37EDDA

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #66ef9f;
/* rgb */ color: rgb(102, 239, 159);
/* oklch */ color: oklch(85.6% 0.165 154.9);

Tailwind

colors: {
  custom: {
    50: '#9cf5bc',
    500: '#66ef9f',
    950: '#000000',
  },
}

SCSS

$custom: #66ef9f;
$custom-light: #9cf5bc;
$custom-dark: #000000;

JSON

{
  "hex": "#66ef9f",
  "rgb": {
    "r": 102,
    "g": 239,
    "b": 159
  },
  "hsl": {
    "h": 144.964,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.85623,
    "c": 0.165,
    "h": 154.9
  },
  "luminance": 0.67061
}

Semantic roles & 50–950 ramp

primary

#66EF9F

secondary

#C33688

accent

#0885DD

background

#FCFFFD

surface

#F6FEF8

border

#D0D6D1

text

#0F1712

muted

#808582

Preview Lab

Preview with #66EF9F

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

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