#577B20#577B20

#577B20 is a mid, vivid yellow-green. Relative luminance 0.163; OKLCH L 53.7% C 0.125 H 128.9°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#577B20
RGB	rgb(87, 123, 32)
HSL	hsl(84, 59%, 30%)
HSV	hsv(84, 74%, 48%)
CMYK	cmyk(29.3%, 0%, 74%, 51.8%)
CIE-LAB	lab(47.36, -27.44, 43.22)
CIE-LCH	lch(47.36, 51.19, 122.41°)
OKLab	oklab(53.69% -0.0782 0.0971)
OKLCH	oklch(53.69% 0.125 128.9)
XYZ	xyz(11.2741, 16.2962, 3.9177)
Luminance	0.1630 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577B20 #44207B

analogous

#7B7120 #577B20 #297B20

triadic

#577B20 #20577B #7B2057

tetradic

#577B20 #207B71 #44207B #7B2029

square

#577B20 #207B71 #44207B #7B2029

split-complementary

#577B20 #20297B #71207B

monochromatic

#121A07 #354A13 #577B20 #79AC2D #99CF46

Accessibility & contrast

On white

4.93

#577B20 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#577B20 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577B20

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577B20	#FFFFFF	#000000	##FFFFFF
##577B20	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#817210

Deuteranopia (green-blind)

#7C7028

Tritanopia (blue-blind)

#5A7569

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #577b20;
/* rgb */ color: rgb(87, 123, 32);
/* oklch */ color: oklch(53.7% 0.125 128.9);

Tailwind

colors: {
  custom: {
    50: '#8aa162',
    500: '#577b20',
    950: '#000000',
  },
}

SCSS

$custom: #577b20;
$custom-light: #8aa162;
$custom-dark: #000000;

JSON

{
  "hex": "#577b20",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 32
  },
  "hsl": {
    "h": 83.736,
    "s": 58.71,
    "l": 30.392
  },
  "oklch": {
    "l": 0.53692,
    "c": 0.12467,
    "h": 128.9
  },
  "luminance": 0.16296
}

Semantic roles & 50–950 ramp

primary

#577B20

secondary

#7149AE

accent

#46E284

background

#F8F9F6

surface

#F0F2EB

border

#CBCCC6

text

#0C0F05

muted

#7D7E7A

Preview Lab

Preview with #577B20

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

Preview Lab → · Contrast checker → · Palette generator →