#66F78C#66F78C

#66F78C is a very light, vivid green. Relative luminance 0.712; OKLCH L 87.2% C 0.193 H 149.3°. Best body text is #000000 at 15.25:1 contrast (WCAG AA passes).

Color values

HEX	#66F78C
RGB	rgb(102, 247, 140)
HSL	hsl(136, 90%, 68%)
HSV	hsv(136, 59%, 97%)
CMYK	cmyk(58.7%, 0%, 43.3%, 3.1%)
CIE-LAB	lab(87.60, -61.32, 39.98)
CIE-LCH	lch(87.60, 73.20, 146.89°)
OKLab	oklab(87.22% -0.1658 0.0984)
OKLCH	oklch(87.22% 0.193 149.3)
XYZ	xyz(43.4708, 71.2356, 36.2649)
Luminance	0.7124 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F78C #F766D1

analogous

#88F766 #66F78C #66F7D4

triadic

#66F78C #8C66F7 #F78C66

tetradic

#66F78C #6688F7 #F766D1 #F7D466

square

#66F78C #6688F7 #F766D1 #F7D466

split-complementary

#66F78C #D466F7 #F76688

monochromatic

#0BD741 #2CF460 #66F78C #A0FAB8 #DAFDE3

Accessibility & contrast

On white

1.38

#66F78C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.25

#66F78C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F78C

15.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F78C	#FFFFFF	#000000	##000000
##66F78C	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)

#F9E484

Deuteranopia (green-blind)

#E6D693

Tritanopia (blue-blind)

#3EF3DD

Achromatopsia (no color)

#DCDCDC

Design tokens & code

CSS

--color: #66f78c;
/* rgb */ color: rgb(102, 247, 140);
/* oklch */ color: oklch(87.2% 0.193 149.3);

Tailwind

colors: {
  custom: {
    50: '#9efbaf',
    500: '#66f78c',
    950: '#000000',
  },
}

SCSS

$custom: #66f78c;
$custom-light: #9efbaf;
$custom-dark: #000000;

JSON

{
  "hex": "#66f78c",
  "rgb": {
    "r": 102,
    "g": 247,
    "b": 140
  },
  "hsl": {
    "h": 135.724,
    "s": 90.062,
    "l": 68.431
  },
  "oklch": {
    "l": 0.8722,
    "c": 0.19275,
    "h": 149.3
  },
  "luminance": 0.7124
}

Semantic roles & 50–950 ramp

primary

#66F78C

secondary

#D031A7

accent

#00A9E6

background

#FCFFFD

surface

#F6FFF7

border

#D0D7D0

text

#101710

muted

#808581

Preview Lab

Preview with #66F78C

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

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