#577E2B#577E2B

#577E2B is a mid, vivid yellow-green. Relative luminance 0.171; OKLCH L 54.6% C 0.120 H 130.9°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX#577E2B
RGBrgb(87, 126, 43)
HSLhsl(88, 49%, 33%)
HSVhsv(88, 66%, 49%)
CMYKcmyk(31%, 0%, 65.9%, 50.6%)
CIE-LABlab(48.41, -28.02, 39.60)
CIE-LCHlch(48.41, 48.51, 125.28°)
OKLaboklab(54.58% -0.0788 0.0911)
OKLCHoklch(54.58% 0.12 130.9)
XYZxyz(11.8273, 17.1220, 4.9668)
Luminance0.1712 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#577E2B #522B7E
analogous
#7E7B2B #577E2B #2D7E2B
triadic
#577E2B #2B577E #7E2B57
tetradic
#577E2B #2B7E7B #522B7E #7E2B2D
square
#577E2B #2B7E7B #522B7E #7E2B2D
split-complementary
#577E2B #2B2D7E #7B2B7E
monochromatic
#18230C #37501B #577E2B #77AC3B #95C75C

Accessibility & contrast

On white

4.75
#577E2B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.42
#577E2B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577E2B
4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##577E2B#FFFFFF#000000##FFFFFF
##577E2B1.004.754.424.75
#FFFFFF4.751.0021.001.00
#0000004.4221.001.0021.00
##FFFFFF4.751.0021.001.00

Color blindness preview

Protanopia (red-blind)
#847521
Deuteranopia (green-blind)
#7E7231
Tritanopia (blue-blind)
#59796D
Achromatopsia (no color)
#737373

Design tokens & code

CSS
--color: #577e2b;
/* rgb */ color: rgb(87, 126, 43);
/* oklch */ color: oklch(54.6% 0.120 130.9);
Tailwind
colors: {
  custom: {
    50: '#89a368',
    500: '#577e2b',
    950: '#000000',
  },
}
SCSS
$custom: #577e2b;
$custom-light: #89a368;
$custom-dark: #000000;
JSON
{
  "hex": "#577e2b",
  "rgb": {
    "r": 87,
    "g": 126,
    "b": 43
  },
  "hsl": {
    "h": 88.193,
    "s": 49.112,
    "l": 33.137
  },
  "oklch": {
    "l": 0.54577,
    "c": 0.12046,
    "h": 130.9
  },
  "luminance": 0.17122
}

Semantic roles & 50–950 ramp

primary
#577E2B
secondary
#8058AD
accent
#4FD990
background
#F8FAF6
surface
#F0F4EB
border
#CBCEC6
text
#0C0F06
muted
#7D7F7A

Preview Lab

Preview with #577E2B

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

Preview Lab → · Contrast checker → · Palette generator →

#577E2B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva