#66BC8A#66BC8A

#66BC8A is a light, moderate green. Relative luminance 0.406; OKLCH L 72.7% C 0.112 H 156.6°. Best body text is #000000 at 9.13:1 contrast (WCAG AA passes).

Color values

HEX	#66BC8A
RGB	rgb(102, 188, 138)
HSL	hsl(145, 39%, 57%)
HSV	hsv(145, 46%, 74%)
CMYK	cmyk(45.7%, 0%, 26.6%, 26.3%)
CIE-LAB	lab(69.91, -37.43, 17.40)
CIE-LCH	lch(69.91, 41.27, 155.06°)
OKLab	oklab(72.74% -0.1027 0.0444)
OKLCH	oklch(72.74% 0.112 156.6)
XYZ	xyz(28.0481, 40.6241, 30.4031)
Luminance	0.4063 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BC8A #BC6698

analogous

#6DBC66 #66BC8A #66BCB5

triadic

#66BC8A #8A66BC #BC8A66

tetradic

#66BC8A #666DBC #BC6698 #BCB566

square

#66BC8A #666DBC #BC6698 #BCB566

split-complementary

#66BC8A #B566BC #BC666D

monochromatic

#33754E #469F6B #66BC8A #91CFAB #BBE1CB

Accessibility & contrast

On white

2.30

#66BC8A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.13

#66BC8A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BC8A

9.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BC8A	#FFFFFF	#000000	##000000
##66BC8A	1.00	2.30	9.13	9.13
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.13	21.00	1.00	1.00
##000000	9.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBB087

Deuteranopia (green-blind)

#AEA78D

Tritanopia (blue-blind)

#51BBAE

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #66bc8a;
/* rgb */ color: rgb(102, 188, 138);
/* oklch */ color: oklch(72.7% 0.112 156.6);

Tailwind

colors: {
  custom: {
    50: '#96d0ac',
    500: '#66bc8a',
    950: '#000000',
  },
}

SCSS

$custom: #66bc8a;
$custom-light: #96d0ac;
$custom-dark: #000000;

JSON

{
  "hex": "#66bc8a",
  "rgb": {
    "r": 102,
    "g": 188,
    "b": 138
  },
  "hsl": {
    "h": 145.116,
    "s": 39.091,
    "l": 56.863
  },
  "oklch": {
    "l": 0.72742,
    "c": 0.11189,
    "h": 156.6
  },
  "luminance": 0.40626
}

Semantic roles & 50–950 ramp

primary

#66BC8A

secondary

#D0ADC2

accent

#599ECF

background

#F9FCFA

surface

#F2F9F4

border

#CCD2CE

text

#0E1410

muted

#7E827F

Preview Lab

Preview with #66BC8A

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

Preview Lab → · Contrast checker → · Palette generator →