#66EA8A#66EA8A

#66EA8A is a very light, vivid green. Relative luminance 0.635; OKLCH L 84.0% C 0.177 H 149.9°. Best body text is #000000 at 13.70:1 contrast (WCAG AA passes).

Color values

HEX	#66EA8A
RGB	rgb(102, 234, 138)
HSL	hsl(136, 76%, 66%)
HSV	hsv(136, 56%, 92%)
CMYK	cmyk(56.4%, 0%, 41%, 8.2%)
CIE-LAB	lab(83.71, -56.68, 35.93)
CIE-LCH	lch(83.71, 67.11, 147.63°)
OKLab	oklab(84.01% -0.1534 0.0889)
OKLCH	oklch(84.01% 0.177 149.9)
XYZ	xyz(39.4869, 63.5018, 34.2160)
Luminance	0.6351 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EA8A #EA66C6

analogous

#84EA66 #66EA8A #66EACC

triadic

#66EA8A #8A66EA #EA8A66

tetradic

#66EA8A #6684EA #EA66C6 #EACC66

square

#66EA8A #6684EA #EA66C6 #EACC66

split-complementary

#66EA8A #CC66EA #EA6684

monochromatic

#1ABC46 #30E361 #66EA8A #9CF1B3 #D2F9DC

Accessibility & contrast

On white

1.53

#66EA8A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.70

#66EA8A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EA8A

13.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EA8A	#FFFFFF	#000000	##000000
##66EA8A	1.00	1.53	13.70	13.70
#FFFFFF	1.53	1.00	21.00	21.00
#000000	13.70	21.00	1.00	1.00
##000000	13.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EBD883

Deuteranopia (green-blind)

#DACC90

Tritanopia (blue-blind)

#44E6D2

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #66ea8a;
/* rgb */ color: rgb(102, 234, 138);
/* oklch */ color: oklch(84.0% 0.177 149.9);

Tailwind

colors: {
  custom: {
    50: '#9cf2ad',
    500: '#66ea8a',
    950: '#000000',
  },
}

SCSS

$custom: #66ea8a;
$custom-light: #9cf2ad;
$custom-dark: #000000;

JSON

{
  "hex": "#66ea8a",
  "rgb": {
    "r": 102,
    "g": 234,
    "b": 138
  },
  "hsl": {
    "h": 136.364,
    "s": 75.862,
    "l": 65.882
  },
  "oklch": {
    "l": 0.84012,
    "c": 0.17732,
    "h": 149.9
  },
  "luminance": 0.63505
}

Semantic roles & 50–950 ramp

primary

#66EA8A

secondary

#BB3998

accent

#0DA1D8

background

#FCFFFD

surface

#F6FEF7

border

#D0D6D0

text

#0F1710

muted

#808581

Preview Lab

Preview with #66EA8A

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

Preview Lab → · Contrast checker → · Palette generator →