#577B42#577B42

#577B42 is a mid, moderate yellow-green. Relative luminance 0.166; OKLCH L 54.1% C 0.093 H 134.9°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX#577B42
RGBrgb(87, 123, 66)
HSLhsl(98, 30%, 37%)
HSVhsv(98, 46%, 48%)
CMYKcmyk(29.3%, 0%, 46.3%, 51.8%)
CIE-LABlab(47.73, -23.90, 27.10)
CIE-LCHlch(47.73, 36.13, 131.42°)
OKLaboklab(54.11% -0.0657 0.0659)
OKLCHoklch(54.11% 0.093 134.9)
XYZxyz(11.9965, 16.5851, 7.7224)
Luminance0.1659 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#577B42 #66427B
analogous
#747B42 #577B42 #427B4A
triadic
#577B42 #42577B #7B4257
tetradic
#577B42 #42747B #66427B #7B4A42
square
#577B42 #42747B #66427B #7B4A42
split-complementary
#577B42 #4A427B #7B4274
monochromatic
#1F2B17 #3B532D #577B42 #73A357 #94BA7E

Accessibility & contrast

On white

4.86
#577B42 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.32
#577B42 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577B42
4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##577B42#FFFFFF#000000##FFFFFF
##577B421.004.864.324.86
#FFFFFF4.861.0021.001.00
#0000004.3221.001.0021.00
##FFFFFF4.861.0021.001.00

Color blindness preview

Protanopia (red-blind)
#7F733D
Deuteranopia (green-blind)
#7A7045
Tritanopia (blue-blind)
#57776D
Achromatopsia (no color)
#717171

Design tokens & code

CSS
--color: #577b42;
/* rgb */ color: rgb(87, 123, 66);
/* oklch */ color: oklch(54.1% 0.093 134.9);
Tailwind
colors: {
  custom: {
    50: '#88a177',
    500: '#577b42',
    950: '#000000',
  },
}
SCSS
$custom: #577b42;
$custom-light: #88a177;
$custom-dark: #000000;
JSON
{
  "hex": "#577b42",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 66
  },
  "hsl": {
    "h": 97.895,
    "s": 30.159,
    "l": 37.059
  },
  "oklch": {
    "l": 0.54114,
    "c": 0.09306,
    "h": 134.9
  },
  "luminance": 0.16586
}

Semantic roles & 50–950 ramp

primary
#577B42
secondary
#9374A5
accent
#61C6A1
background
#F8F9F7
surface
#F0F2ED
border
#CBCCC8
text
#0B0F09
muted
#7C7E7B

Preview Lab

Preview with #577B42

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

Preview Lab → · Contrast checker → · Palette generator →

#577B42 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva