#66F78B#66F78B

#66F78B is a very light, vivid green. Relative luminance 0.712; OKLCH L 87.2% C 0.194 H 149.1°. Best body text is #000000 at 15.24:1 contrast (WCAG AA passes).

Color values

HEX	#66F78B
RGB	rgb(102, 247, 139)
HSL	hsl(135, 90%, 68%)
HSV	hsv(135, 59%, 97%)
CMYK	cmyk(58.7%, 0%, 43.7%, 3.1%)
CIE-LAB	lab(87.59, -61.47, 40.45)
CIE-LCH	lch(87.59, 73.59, 146.65°)
OKLab	oklab(87.2% -0.1662 0.0994)
OKLCH	oklch(87.2% 0.194 149.1)
XYZ	xyz(43.3974, 71.2063, 35.8783)
Luminance	0.7121 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F78B #F766D2

analogous

#89F766 #66F78B #66F7D3

triadic

#66F78B #8B66F7 #F78B66

tetradic

#66F78B #6689F7 #F766D2 #F7D366

square

#66F78B #6689F7 #F766D2 #F7D366

split-complementary

#66F78B #D366F7 #F76689

monochromatic

#0BD73F #2CF45F #66F78B #A0FAB7 #DAFDE3

Accessibility & contrast

On white

1.38

#66F78B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.24

#66F78B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F78B

15.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F78B	#FFFFFF	#000000	##000000
##66F78B	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)

#F9E483

Deuteranopia (green-blind)

#E6D692

Tritanopia (blue-blind)

#3FF3DD

Achromatopsia (no color)

#DCDCDC

Design tokens & code

CSS

--color: #66f78b;
/* rgb */ color: rgb(102, 247, 139);
/* oklch */ color: oklch(87.2% 0.194 149.1);

Tailwind

colors: {
  custom: {
    50: '#9efbae',
    500: '#66f78b',
    950: '#000000',
  },
}

SCSS

$custom: #66f78b;
$custom-light: #9efbae;
$custom-dark: #000000;

JSON

{
  "hex": "#66f78b",
  "rgb": {
    "r": 102,
    "g": 247,
    "b": 139
  },
  "hsl": {
    "h": 135.31,
    "s": 90.062,
    "l": 68.431
  },
  "oklch": {
    "l": 0.87204,
    "c": 0.19364,
    "h": 149.1
  },
  "luminance": 0.7121
}

Semantic roles & 50–950 ramp

primary

#66F78B

secondary

#D031A8

accent

#00ABE6

background

#FCFFFD

surface

#F6FFF7

border

#D0D7D0

text

#101710

muted

#808581

Preview Lab

Preview with #66F78B

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

Preview Lab → · Contrast checker → · Palette generator →