#427F57#427F57

#427F57 is a mid, moderate green. Relative luminance 0.170; OKLCH L 54.4% C 0.090 H 153.6°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#427F57
RGB	rgb(66, 127, 87)
HSL	hsl(141, 32%, 38%)
HSV	hsv(141, 48%, 50%)
CMYK	cmyk(48%, 0%, 31.5%, 50.2%)
CIE-LAB	lab(48.29, -29.42, 15.78)
CIE-LCH	lch(48.29, 33.38, 151.78°)
OKLab	oklab(54.39% -0.0803 0.04)
OKLCH	oklch(54.39% 0.09 153.6)
XYZ	xyz(11.5556, 17.0243, 11.6921)
Luminance	0.1703 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427F57 #7F426A

analogous

#4B7F42 #427F57 #427F75

triadic

#427F57 #57427F #7F5742

tetradic

#427F57 #424B7F #7F426A #7F7542

square

#427F57 #424B7F #7F426A #7F7542

split-complementary

#427F57 #75427F #7F424B

monochromatic

#182E20 #2D573B #427F57 #57A773 #7FBC94

Accessibility & contrast

On white

4.77

#427F57 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#427F57 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #427F57

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427F57	#FFFFFF	#000000	##FFFFFF
##427F57	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F7655

Deuteranopia (green-blind)

#767059

Tritanopia (blue-blind)

#357E74

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #427f57;
/* rgb */ color: rgb(66, 127, 87);
/* oklch */ color: oklch(54.4% 0.090 153.6);

Tailwind

colors: {
  custom: {
    50: '#7aa486',
    500: '#427f57',
    950: '#000000',
  },
}

SCSS

$custom: #427f57;
$custom-light: #7aa486;
$custom-dark: #000000;

JSON

{
  "hex": "#427f57",
  "rgb": {
    "r": 66,
    "g": 127,
    "b": 87
  },
  "hsl": {
    "h": 140.656,
    "s": 31.606,
    "l": 37.843
  },
  "oklch": {
    "l": 0.54393,
    "c": 0.08972,
    "h": 153.6
  },
  "luminance": 0.17025
}

Semantic roles & 50–950 ramp

primary

#427F57

secondary

#A77596

accent

#60A4C8

background

#F7FAF8

surface

#EEF4EF

border

#C9CECA

text

#090F0B

muted

#7B7F7C

Preview Lab

Preview with #427F57

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

Preview Lab → · Contrast checker → · Palette generator →