#66F78A#66F78A

#66F78A is a very light, vivid green. Relative luminance 0.712; OKLCH L 87.2% C 0.195 H 148.9°. Best body text is #000000 at 15.24:1 contrast (WCAG AA passes).

Color values

HEX	#66F78A
RGB	rgb(102, 247, 138)
HSL	hsl(135, 90%, 68%)
HSV	hsv(135, 59%, 97%)
CMYK	cmyk(58.7%, 0%, 44.1%, 3.1%)
CIE-LAB	lab(87.57, -61.63, 40.92)
CIE-LCH	lch(87.57, 73.98, 146.41°)
OKLab	oklab(87.19% -0.1666 0.1005)
OKLCH	oklch(87.19% 0.195 148.9)
XYZ	xyz(43.3246, 71.1772, 35.4952)
Luminance	0.7118 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F78A #F766D3

analogous

#8AF766 #66F78A #66F7D3

triadic

#66F78A #8A66F7 #F78A66

tetradic

#66F78A #668AF7 #F766D3 #F7D366

square

#66F78A #668AF7 #F766D3 #F7D366

split-complementary

#66F78A #D366F7 #F7668A

monochromatic

#0BD73E #2CF45E #66F78A #A0FAB6 #DAFDE3

Accessibility & contrast

On white

1.38

#66F78A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.24

#66F78A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F78A

15.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F78A	#FFFFFF	#000000	##000000
##66F78A	1.00	1.38	15.24	15.24
#FFFFFF	1.38	1.00	21.00	21.00
#000000	15.24	21.00	1.00	1.00
##000000	15.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F9E382

Deuteranopia (green-blind)

#E6D691

Tritanopia (blue-blind)

#3FF3DD

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #66f78a;
/* rgb */ color: rgb(102, 247, 138);
/* oklch */ color: oklch(87.2% 0.195 148.9);

Tailwind

colors: {
  custom: {
    50: '#9efbad',
    500: '#66f78a',
    950: '#000000',
  },
}

SCSS

$custom: #66f78a;
$custom-light: #9efbad;
$custom-dark: #000000;

JSON

{
  "hex": "#66f78a",
  "rgb": {
    "r": 102,
    "g": 247,
    "b": 138
  },
  "hsl": {
    "h": 134.897,
    "s": 90.062,
    "l": 68.431
  },
  "oklch": {
    "l": 0.87188,
    "c": 0.19454,
    "h": 148.9
  },
  "luminance": 0.71181
}

Semantic roles & 50–950 ramp

primary

#66F78A

secondary

#D031A9

accent

#00ADE6

background

#FCFFFD

surface

#F6FFF7

border

#D0D7D0

text

#101710

muted

#808581

Preview Lab

Preview with #66F78A

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

Preview Lab → · Contrast checker → · Palette generator →