#577E66#577E66

#577E66 is a mid, muted green. Relative luminance 0.179; OKLCH L 55.7% C 0.058 H 156.9°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).

Color values

HEX	#577E66
RGB	rgb(87, 126, 102)
HSL	hsl(143, 18%, 42%)
HSV	hsv(143, 31%, 49%)
CMYK	cmyk(31%, 0%, 19%, 50.6%)
CIE-LAB	lab(49.38, -19.10, 8.76)
CIE-LCH	lch(49.38, 21.01, 155.37°)
OKLab	oklab(55.68% -0.053 0.0226)
OKLCH	oklch(55.68% 0.058 156.9)
XYZ	xyz(13.7888, 17.9066, 15.2976)
Luminance	0.1791 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577E66 #7E576F

analogous

#5C7E57 #577E66 #577E7A

triadic

#577E66 #66577E #7E6657

tetradic

#577E66 #575C7E #7E576F #7E7A57

square

#577E66 #575C7E #7E576F #7E7A57

split-complementary

#577E66 #7A577E #7E575C

monochromatic

#25362B #3E5A49 #577E66 #749F84 #98B8A4

Accessibility & contrast

On white

4.58

#577E66 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#577E66 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577E66

4.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577E66	#FFFFFF	#000000	##000000
##577E66	1.00	4.58	4.58	4.58
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.58	21.00	1.00	1.00
##000000	4.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E7865

Deuteranopia (green-blind)

#777467

Tritanopia (blue-blind)

#507D77

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #577e66;
/* rgb */ color: rgb(87, 126, 102);
/* oklch */ color: oklch(55.7% 0.058 156.9);

Tailwind

colors: {
  custom: {
    50: '#87a391',
    500: '#577e66',
    950: '#000000',
  },
}

SCSS

$custom: #577e66;
$custom-light: #87a391;
$custom-dark: #000000;

JSON

{
  "hex": "#577e66",
  "rgb": {
    "r": 87,
    "g": 126,
    "b": 102
  },
  "hsl": {
    "h": 143.077,
    "s": 18.31,
    "l": 41.765
  },
  "oklch": {
    "l": 0.55677,
    "c": 0.05758,
    "h": 156.9
  },
  "luminance": 0.17907
}

Semantic roles & 50–950 ramp

primary

#577E66

secondary

#A68B9B

accent

#6D9DBB

background

#F8FAF8

surface

#EFF4F0

border

#CACECB

text

#0B0F0C

muted

#7C7F7D

Preview Lab

Preview with #577E66

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

Preview Lab → · Contrast checker → · Palette generator →