#66EA8C#66EA8C

#66EA8C is a very light, vivid green. Relative luminance 0.636; OKLCH L 84.0% C 0.175 H 150.4°. Best body text is #000000 at 13.71:1 contrast (WCAG AA passes).

Color values

HEX	#66EA8C
RGB	rgb(102, 234, 140)
HSL	hsl(137, 76%, 66%)
HSV	hsv(137, 56%, 92%)
CMYK	cmyk(56.4%, 0%, 40.2%, 8.2%)
CIE-LAB	lab(83.74, -56.35, 34.97)
CIE-LCH	lch(83.74, 66.32, 148.18°)
OKLab	oklab(84.05% -0.1526 0.0867)
OKLCH	oklch(84.05% 0.175 150.4)
XYZ	xyz(39.6331, 63.5602, 34.9856)
Luminance	0.6356 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EA8C #EA66C4

analogous

#82EA66 #66EA8C #66EACE

triadic

#66EA8C #8C66EA #EA8C66

tetradic

#66EA8C #6682EA #EA66C4 #EACE66

square

#66EA8C #6682EA #EA66C4 #EACE66

split-complementary

#66EA8C #CE66EA #EA6682

monochromatic

#1ABC48 #30E364 #66EA8C #9CF1B4 #D2F9DD

Accessibility & contrast

On white

1.53

#66EA8C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.71

#66EA8C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EA8C

13.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EA8C	#FFFFFF	#000000	##000000
##66EA8C	1.00	1.53	13.71	13.71
#FFFFFF	1.53	1.00	21.00	21.00
#000000	13.71	21.00	1.00	1.00
##000000	13.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EBD885

Deuteranopia (green-blind)

#D9CC92

Tritanopia (blue-blind)

#43E6D3

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #66ea8c;
/* rgb */ color: rgb(102, 234, 140);
/* oklch */ color: oklch(84.0% 0.175 150.4);

Tailwind

colors: {
  custom: {
    50: '#9cf2ae',
    500: '#66ea8c',
    950: '#000000',
  },
}

SCSS

$custom: #66ea8c;
$custom-light: #9cf2ae;
$custom-dark: #000000;

JSON

{
  "hex": "#66ea8c",
  "rgb": {
    "r": 102,
    "g": 234,
    "b": 140
  },
  "hsl": {
    "h": 137.273,
    "s": 75.862,
    "l": 65.882
  },
  "oklch": {
    "l": 0.84048,
    "c": 0.17549,
    "h": 150.4
  },
  "luminance": 0.63564
}

Semantic roles & 50–950 ramp

primary

#66EA8C

secondary

#BB3996

accent

#0D9ED8

background

#FCFFFD

surface

#F6FEF7

border

#D0D6D0

text

#0F1710

muted

#808581

Preview Lab

Preview with #66EA8C

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

Preview Lab → · Contrast checker → · Palette generator →