#66F78D#66F78D

#66F78D is a very light, vivid green. Relative luminance 0.713; OKLCH L 87.2% C 0.192 H 149.5°. Best body text is #000000 at 15.25:1 contrast (WCAG AA passes).

Color values

HEX	#66F78D
RGB	rgb(102, 247, 141)
HSL	hsl(136, 90%, 68%)
HSV	hsv(136, 59%, 97%)
CMYK	cmyk(58.7%, 0%, 42.9%, 3.1%)
CIE-LAB	lab(87.61, -61.16, 39.51)
CIE-LCH	lch(87.61, 72.81, 147.13°)
OKLab	oklab(87.24% -0.1653 0.0973)
OKLCH	oklch(87.24% 0.192 149.5)
XYZ	xyz(43.5448, 71.2653, 36.6549)
Luminance	0.7127 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F78D #F766D0

analogous

#87F766 #66F78D #66F7D5

triadic

#66F78D #8D66F7 #F78D66

tetradic

#66F78D #6687F7 #F766D0 #F7D566

square

#66F78D #6687F7 #F766D0 #F7D566

split-complementary

#66F78D #D566F7 #F76687

monochromatic

#0BD742 #2CF462 #66F78D #A0FAB8 #DAFDE4

Accessibility & contrast

On white

1.38

#66F78D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.25

#66F78D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F78D

15.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F78D	#FFFFFF	#000000	##000000
##66F78D	1.00	1.38	15.25	15.25
#FFFFFF	1.38	1.00	21.00	21.00
#000000	15.25	21.00	1.00	1.00
##000000	15.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F9E485

Deuteranopia (green-blind)

#E6D694

Tritanopia (blue-blind)

#3EF3DD

Achromatopsia (no color)

#DCDCDC

Design tokens & code

CSS

--color: #66f78d;
/* rgb */ color: rgb(102, 247, 141);
/* oklch */ color: oklch(87.2% 0.192 149.5);

Tailwind

colors: {
  custom: {
    50: '#9efbaf',
    500: '#66f78d',
    950: '#000000',
  },
}

SCSS

$custom: #66f78d;
$custom-light: #9efbaf;
$custom-dark: #000000;

JSON

{
  "hex": "#66f78d",
  "rgb": {
    "r": 102,
    "g": 247,
    "b": 141
  },
  "hsl": {
    "h": 136.138,
    "s": 90.062,
    "l": 68.431
  },
  "oklch": {
    "l": 0.87237,
    "c": 0.19185,
    "h": 149.5
  },
  "luminance": 0.71269
}

Semantic roles & 50–950 ramp

primary

#66F78D

secondary

#D031A5

accent

#00A8E6

background

#FCFFFD

surface

#F6FFF7

border

#D0D7D0

text

#101710

muted

#808581

Preview Lab

Preview with #66F78D

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

Preview Lab → · Contrast checker → · Palette generator →