#66BD8A#66BD8A

#66BD8A is a light, moderate green. Relative luminance 0.411; OKLCH L 73.0% C 0.113 H 156.4°. Best body text is #000000 at 9.21:1 contrast (WCAG AA passes).

Color values

HEX	#66BD8A
RGB	rgb(102, 189, 138)
HSL	hsl(145, 40%, 57%)
HSV	hsv(145, 46%, 74%)
CMYK	cmyk(46%, 0%, 27%, 25.9%)
CIE-LAB	lab(70.21, -37.88, 17.82)
CIE-LCH	lch(70.21, 41.86, 154.81°)
OKLab	oklab(72.99% -0.1039 0.0454)
OKLCH	oklch(72.99% 0.113 156.4)
XYZ	xyz(28.2625, 41.0529, 30.4745)
Luminance	0.4106 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BD8A #BD6699

analogous

#6EBD66 #66BD8A #66BDB6

triadic

#66BD8A #8A66BD #BD8A66

tetradic

#66BD8A #666EBD #BD6699 #BDB666

square

#66BD8A #666EBD #BD6699 #BDB666

split-complementary

#66BD8A #B666BD #BD666E

monochromatic

#33764F #45A16B #66BD8A #91CFAB #BCE2CB

Accessibility & contrast

On white

2.28

#66BD8A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.21

#66BD8A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BD8A

9.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BD8A	#FFFFFF	#000000	##000000
##66BD8A	1.00	2.28	9.21	9.21
#FFFFFF	2.28	1.00	21.00	21.00
#000000	9.21	21.00	1.00	1.00
##000000	9.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCB187

Deuteranopia (green-blind)

#AFA88D

Tritanopia (blue-blind)

#51BCAF

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #66bd8a;
/* rgb */ color: rgb(102, 189, 138);
/* oklch */ color: oklch(73.0% 0.113 156.4);

Tailwind

colors: {
  custom: {
    50: '#96d1ac',
    500: '#66bd8a',
    950: '#000000',
  },
}

SCSS

$custom: #66bd8a;
$custom-light: #96d1ac;
$custom-dark: #000000;

JSON

{
  "hex": "#66bd8a",
  "rgb": {
    "r": 102,
    "g": 189,
    "b": 138
  },
  "hsl": {
    "h": 144.828,
    "s": 39.726,
    "l": 57.059
  },
  "oklch": {
    "l": 0.72987,
    "c": 0.11338,
    "h": 156.4
  },
  "luminance": 0.41055
}

Semantic roles & 50–950 ramp

primary

#66BD8A

secondary

#D1AEC2

accent

#589ED0

background

#F9FCFA

surface

#F2F9F4

border

#CCD2CE

text

#0E1410

muted

#7E827F

Preview Lab

Preview with #66BD8A

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

Preview Lab → · Contrast checker → · Palette generator →