#66EA9E#66EA9E

#66EA9E is a very light, vivid green. Relative luminance 0.641; OKLCH L 84.4% C 0.159 H 155.4°. Best body text is #000000 at 13.83:1 contrast (WCAG AA passes).

Color values

HEX	#66EA9E
RGB	rgb(102, 234, 158)
HSL	hsl(145, 76%, 66%)
HSV	hsv(145, 56%, 92%)
CMYK	cmyk(56.4%, 0%, 32.5%, 8.2%)
CIE-LAB	lab(84.04, -53.18, 26.25)
CIE-LCH	lch(84.04, 59.31, 153.73°)
OKLab	oklab(84.39% -0.1447 0.0662)
OKLCH	oklch(84.39% 0.159 155.4)
XYZ	xyz(41.0705, 64.1352, 42.5561)
Luminance	0.6414 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EA9E #EA66B2

analogous

#70EA66 #66EA9E #66EAE0

triadic

#66EA9E #9E66EA #EA9E66

tetradic

#66EA9E #6670EA #EA66B2 #EAE066

square

#66EA9E #6670EA #EA66B2 #EAE066

split-complementary

#66EA9E #E066EA #EA6670

monochromatic

#1ABC5F #30E37C #66EA9E #9CF1C0 #D2F9E2

Accessibility & contrast

On white

1.52

#66EA9E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.83

#66EA9E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EA9E

13.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EA9E	#FFFFFF	#000000	##000000
##66EA9E	1.00	1.52	13.83	13.83
#FFFFFF	1.52	1.00	21.00	21.00
#000000	13.83	21.00	1.00	1.00
##000000	13.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9D999

Deuteranopia (green-blind)

#D7CCA3

Tritanopia (blue-blind)

#3AE8D6

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #66ea9e;
/* rgb */ color: rgb(102, 234, 158);
/* oklch */ color: oklch(84.4% 0.159 155.4);

Tailwind

colors: {
  custom: {
    50: '#9cf1bb',
    500: '#66ea9e',
    950: '#000000',
  },
}

SCSS

$custom: #66ea9e;
$custom-light: #9cf1bb;
$custom-dark: #000000;

JSON

{
  "hex": "#66ea9e",
  "rgb": {
    "r": 102,
    "g": 234,
    "b": 158
  },
  "hsl": {
    "h": 145.455,
    "s": 75.862,
    "l": 65.882
  },
  "oklch": {
    "l": 0.84392,
    "c": 0.15913,
    "h": 155.4
  },
  "luminance": 0.64139
}

Semantic roles & 50–950 ramp

primary

#66EA9E

secondary

#BB3984

accent

#0D82D8

background

#FCFFFD

surface

#F5FEF8

border

#CFD6D1

text

#0F1712

muted

#808582

Preview Lab

Preview with #66EA9E

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

Preview Lab → · Contrast checker → · Palette generator →