#66F78E#66F78E

#66F78E is a very light, vivid green. Relative luminance 0.713; OKLCH L 87.3% C 0.191 H 149.7°. Best body text is #000000 at 15.26:1 contrast (WCAG AA passes).

Color values

HEX	#66F78E
RGB	rgb(102, 247, 142)
HSL	hsl(137, 90%, 68%)
HSV	hsv(137, 59%, 97%)
CMYK	cmyk(58.7%, 0%, 42.5%, 3.1%)
CIE-LAB	lab(87.63, -61.00, 39.04)
CIE-LCH	lch(87.63, 72.43, 147.38°)
OKLab	oklab(87.25% -0.1649 0.0963)
OKLCH	oklch(87.25% 0.191 149.7)
XYZ	xyz(43.6196, 71.2951, 37.0486)
Luminance	0.7130 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F78E #F766CF

analogous

#86F766 #66F78E #66F7D7

triadic

#66F78E #8E66F7 #F78E66

tetradic

#66F78E #6686F7 #F766CF #F7D766

square

#66F78E #6686F7 #F766CF #F7D766

split-complementary

#66F78E #D766F7 #F76686

monochromatic

#0BD744 #2CF463 #66F78E #A0FAB9 #DAFDE4

Accessibility & contrast

On white

1.38

#66F78E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.26

#66F78E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F78E

15.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F78E	#FFFFFF	#000000	##000000
##66F78E	1.00	1.38	15.26	15.26
#FFFFFF	1.38	1.00	21.00	21.00
#000000	15.26	21.00	1.00	1.00
##000000	15.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F9E486

Deuteranopia (green-blind)

#E6D695

Tritanopia (blue-blind)

#3DF3DD

Achromatopsia (no color)

#DCDCDC

Design tokens & code

CSS

--color: #66f78e;
/* rgb */ color: rgb(102, 247, 142);
/* oklch */ color: oklch(87.3% 0.191 149.7);

Tailwind

colors: {
  custom: {
    50: '#9efbb0',
    500: '#66f78e',
    950: '#000000',
  },
}

SCSS

$custom: #66f78e;
$custom-light: #9efbb0;
$custom-dark: #000000;

JSON

{
  "hex": "#66f78e",
  "rgb": {
    "r": 102,
    "g": 247,
    "b": 142
  },
  "hsl": {
    "h": 136.552,
    "s": 90.062,
    "l": 68.431
  },
  "oklch": {
    "l": 0.87253,
    "c": 0.19096,
    "h": 149.7
  },
  "luminance": 0.71299
}

Semantic roles & 50–950 ramp

primary

#66F78E

secondary

#D031A4

accent

#00A6E6

background

#FCFFFD

surface

#F6FFF7

border

#D0D7D0

text

#101710

muted

#808581

Preview Lab

Preview with #66F78E

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

Preview Lab → · Contrast checker → · Palette generator →