#577A66#577A66

#577A66 is a mid, muted green. Relative luminance 0.169; OKLCH L 54.7% C 0.051 H 159.1°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX#577A66
RGBrgb(87, 122, 102)
HSLhsl(146, 17%, 41%)
HSVhsv(146, 29%, 48%)
CMYKcmyk(28.7%, 0%, 16.4%, 52.2%)
CIE-LABlab(48.14, -16.96, 6.99)
CIE-LCHlch(48.14, 18.34, 157.60°)
OKLaboklab(54.68% -0.0473 0.0181)
OKLCHoklch(54.68% 0.051 159.1)
XYZxyz(13.2875, 16.9040, 15.1305)
Luminance0.1691 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#577A66 #7A576B
analogous
#597A57 #577A66 #577A77
triadic
#577A66 #66577A #7A6657
tetradic
#577A66 #57597A #7A576B #7A7757
square
#577A66 #57597A #7A576B #7A7757
split-complementary
#577A66 #77577A #7A5759
monochromatic
#24332A #3E5648 #577A66 #739B84 #97B5A4

Accessibility & contrast

On white

4.79
#577A66 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.38
#577A66 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577A66
4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##577A66#FFFFFF#000000##FFFFFF
##577A661.004.794.384.79
#FFFFFF4.791.0021.001.00
#0000004.3821.001.0021.00
##FFFFFF4.791.0021.001.00

Color blindness preview

Protanopia (red-blind)
#797565
Deuteranopia (green-blind)
#737167
Tritanopia (blue-blind)
#507A74
Achromatopsia (no color)
#727272

Design tokens & code

CSS
--color: #577a66;
/* rgb */ color: rgb(87, 122, 102);
/* oklch */ color: oklch(54.7% 0.051 159.1);
Tailwind
colors: {
  custom: {
    50: '#87a091',
    500: '#577a66',
    950: '#000000',
  },
}
SCSS
$custom: #577a66;
$custom-light: #87a091;
$custom-dark: #000000;
JSON
{
  "hex": "#577a66",
  "rgb": {
    "r": 87,
    "g": 122,
    "b": 102
  },
  "hsl": {
    "h": 145.714,
    "s": 16.746,
    "l": 40.98
  },
  "oklch": {
    "l": 0.54678,
    "c": 0.05065,
    "h": 159.1
  },
  "luminance": 0.16905
}

Semantic roles & 50–950 ramp

primary
#577A66
secondary
#A38A98
accent
#6E99B9
background
#F8F9F8
surface
#EFF2F0
border
#CACCCB
text
#0B0E0C
muted
#7C7E7D

Preview Lab

Preview with #577A66

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

Preview Lab → · Contrast checker → · Palette generator →

#577A66 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva