#66EF9E#66EF9E

#66EF9E is a very light, vivid green. Relative luminance 0.670; OKLCH L 85.6% C 0.166 H 154.6°. Best body text is #000000 at 14.41:1 contrast (WCAG AA passes).

Color values

HEX	#66EF9E
RGB	rgb(102, 239, 158)
HSL	hsl(145, 81%, 67%)
HSV	hsv(145, 57%, 94%)
CMYK	cmyk(57.3%, 0%, 33.9%, 6.3%)
CIE-LAB	lab(85.52, -55.18, 28.25)
CIE-LCH	lch(85.52, 61.99, 152.89°)
OKLab	oklab(85.6% -0.1499 0.0711)
OKLCH	oklch(85.6% 0.166 154.6)
XYZ	xyz(42.5141, 67.0224, 43.0373)
Luminance	0.6703 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EF9E #EF66B7

analogous

#73EF66 #66EF9E #66EFE3

triadic

#66EF9E #9E66EF #EF9E66

tetradic

#66EF9E #6673EF #EF66B7 #EFE366

square

#66EF9E #6673EF #EF66B7 #EFE366

split-complementary

#66EF9E #E366EF #EF6673

monochromatic

#15C65D #2FE97B #66EF9E #9DF5C1 #D5FBE4

Accessibility & contrast

On white

1.46

#66EF9E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.41

#66EF9E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EF9E

14.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EF9E	#FFFFFF	#000000	##000000
##66EF9E	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)

#EEDE99

Deuteranopia (green-blind)

#DCD0A3

Tritanopia (blue-blind)

#38EDDA

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #66ef9e;
/* rgb */ color: rgb(102, 239, 158);
/* oklch */ color: oklch(85.6% 0.166 154.6);

Tailwind

colors: {
  custom: {
    50: '#9cf5bb',
    500: '#66ef9e',
    950: '#000000',
  },
}

SCSS

$custom: #66ef9e;
$custom-light: #9cf5bb;
$custom-dark: #000000;

JSON

{
  "hex": "#66ef9e",
  "rgb": {
    "r": 102,
    "g": 239,
    "b": 158
  },
  "hsl": {
    "h": 144.526,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.85603,
    "c": 0.16589,
    "h": 154.6
  },
  "luminance": 0.67026
}

Semantic roles & 50–950 ramp

primary

#66EF9E

secondary

#C3368A

accent

#0886DD

background

#FCFFFD

surface

#F6FEF8

border

#D0D6D1

text

#0F1712

muted

#808582

Preview Lab

Preview with #66EF9E

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

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