#577F66#577F66

#577F66 is a mid, muted green. Relative luminance 0.182; OKLCH L 55.9% C 0.059 H 156.5°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#577F66
RGB	rgb(87, 127, 102)
HSL	hsl(143, 19%, 42%)
HSV	hsv(143, 31%, 50%)
CMYK	cmyk(31.5%, 0%, 19.7%, 50.2%)
CIE-LAB	lab(49.69, -19.63, 9.20)
CIE-LCH	lch(49.69, 21.67, 154.89°)
OKLab	oklab(55.93% -0.0544 0.0237)
OKLCH	oklch(55.93% 0.059 156.5)
XYZ	xyz(13.9173, 18.1636, 15.3404)
Luminance	0.1816 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577F66 #7F5770

analogous

#5C7F57 #577F66 #577F7A

triadic

#577F66 #66577F #7F6657

tetradic

#577F66 #575C7F #7F5770 #7F7A57

square

#577F66 #575C7F #7F5770 #7F7A57

split-complementary

#577F66 #7A577F #7F575C

monochromatic

#25362C #3E5B49 #577F66 #74A084 #98B8A4

Accessibility & contrast

On white

4.53

#577F66 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#577F66 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577F66

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577F66	#FFFFFF	#000000	##000000
##577F66	1.00	4.53	4.63	4.63
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F7965

Deuteranopia (green-blind)

#787467

Tritanopia (blue-blind)

#507E78

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #577f66;
/* rgb */ color: rgb(87, 127, 102);
/* oklch */ color: oklch(55.9% 0.059 156.5);

Tailwind

colors: {
  custom: {
    50: '#87a491',
    500: '#577f66',
    950: '#000000',
  },
}

SCSS

$custom: #577f66;
$custom-light: #87a491;
$custom-dark: #000000;

JSON

{
  "hex": "#577f66",
  "rgb": {
    "r": 87,
    "g": 127,
    "b": 102
  },
  "hsl": {
    "h": 142.5,
    "s": 18.692,
    "l": 41.961
  },
  "oklch": {
    "l": 0.55927,
    "c": 0.05931,
    "h": 156.5
  },
  "luminance": 0.18164
}

Semantic roles & 50–950 ramp

primary

#577F66

secondary

#A68C9C

accent

#6C9EBB

background

#F8FAF8

surface

#F0F4F0

border

#CBCECB

text

#0B0F0C

muted

#7C7F7D

Preview Lab

Preview with #577F66

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

Preview Lab → · Contrast checker → · Palette generator →