#577F63#577F63

#577F63 is a mid, moderate green. Relative luminance 0.181; OKLCH L 55.8% C 0.062 H 153.5°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX#577F63
RGBrgb(87, 127, 99)
HSLhsl(138, 19%, 42%)
HSVhsv(138, 31%, 50%)
CMYKcmyk(31.5%, 0%, 22%, 50.2%)
CIE-LABlab(49.62, -20.25, 10.84)
CIE-LCHlch(49.62, 22.97, 151.83°)
OKLaboklab(55.85% -0.0558 0.0278)
OKLCHoklch(55.85% 0.062 153.5)
XYZxyz(13.7712, 18.1052, 14.5710)
Luminance0.1811 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#577F63 #7F5773
analogous
#5F7F57 #577F63 #577F77
triadic
#577F63 #63577F #7F6357
tetradic
#577F63 #575F7F #7F5773 #7F7757
square
#577F63 #575F7F #7F5773 #7F7757
split-complementary
#577F63 #77577F #7F575F
monochromatic
#25362A #3E5B47 #577F63 #74A081 #98B8A2

Accessibility & contrast

On white

4.54
#577F63 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.62
#577F63 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577F63
4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##577F63#FFFFFF#000000##000000
##577F631.004.544.624.62
#FFFFFF4.541.0021.0021.00
#0000004.6221.001.001.00
##0000004.6221.001.001.00

Color blindness preview

Protanopia (red-blind)
#7F7961
Deuteranopia (green-blind)
#787465
Tritanopia (blue-blind)
#507E77
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #577f63;
/* rgb */ color: rgb(87, 127, 99);
/* oklch */ color: oklch(55.8% 0.062 153.5);
Tailwind
colors: {
  custom: {
    50: '#87a48f',
    500: '#577f63',
    950: '#000000',
  },
}
SCSS
$custom: #577f63;
$custom-light: #87a48f;
$custom-dark: #000000;
JSON
{
  "hex": "#577f63",
  "rgb": {
    "r": 87,
    "g": 127,
    "b": 99
  },
  "hsl": {
    "h": 138,
    "s": 18.692,
    "l": 41.961
  },
  "oklch": {
    "l": 0.55847,
    "c": 0.06236,
    "h": 153.5
  },
  "luminance": 0.18106
}

Semantic roles & 50–950 ramp

primary
#577F63
secondary
#A68C9E
accent
#6CA4BB
background
#F8FAF8
surface
#F0F4F0
border
#CBCECB
text
#0B0F0C
muted
#7C7F7D

Preview Lab

Preview with #577F63

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

Preview Lab → · Contrast checker → · Palette generator →

#577F63 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva