#577F1F#577F1F

#577F1F is a mid, vivid yellow-green. Relative luminance 0.173; OKLCH L 54.7% C 0.131 H 129.8°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#577F1F
RGB	rgb(87, 127, 31)
HSL	hsl(85, 61%, 31%)
HSV	hsv(85, 76%, 50%)
CMYK	cmyk(31.5%, 0%, 75.6%, 50.2%)
CIE-LAB	lab(48.64, -29.42, 44.87)
CIE-LCH	lch(48.64, 53.66, 123.25°)
OKLab	oklab(54.73% -0.0837 0.1004)
OKLCH	oklch(54.73% 0.131 129.8)
XYZ	xyz(11.7671, 17.3036, 4.0160)
Luminance	0.1730 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577F1F #471F7F

analogous

#7F771F #577F1F #277F1F

triadic

#577F1F #1F577F #7F1F57

tetradic

#577F1F #1F7F77 #471F7F #7F1F27

square

#577F1F #1F7F77 #471F7F #7F1F27

split-complementary

#577F1F #1F277F #771F7F

monochromatic

#141D07 #354E13 #577F1F #79B02B #98D246

Accessibility & contrast

On white

4.71

#577F1F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#577F1F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577F1F

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577F1F	#FFFFFF	#000000	##FFFFFF
##577F1F	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#85750C

Deuteranopia (green-blind)

#807328

Tritanopia (blue-blind)

#59796C

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #577f1f;
/* rgb */ color: rgb(87, 127, 31);
/* oklch */ color: oklch(54.7% 0.131 129.8);

Tailwind

colors: {
  custom: {
    50: '#8aa462',
    500: '#577f1f',
    950: '#000000',
  },
}

SCSS

$custom: #577f1f;
$custom-light: #8aa462;
$custom-dark: #000000;

JSON

{
  "hex": "#577f1f",
  "rgb": {
    "r": 87,
    "g": 127,
    "b": 31
  },
  "hsl": {
    "h": 85,
    "s": 60.759,
    "l": 30.98
  },
  "oklch": {
    "l": 0.54731,
    "c": 0.13071,
    "h": 129.8
  },
  "luminance": 0.17304
}

Semantic roles & 50–950 ramp

primary

#577F1F

secondary

#7448B2

accent

#44E487

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C0F05

muted

#7D7F7A

Preview Lab

Preview with #577F1F

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

Preview Lab → · Contrast checker → · Palette generator →