#577B19#577B19

#577B19 is a mid, vivid yellow-green. Relative luminance 0.163; OKLCH L 53.6% C 0.129 H 128.3°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#577B19
RGB	rgb(87, 123, 25)
HSL	hsl(82, 66%, 29%)
HSV	hsv(82, 80%, 48%)
CMYK	cmyk(29.3%, 0%, 79.7%, 51.8%)
CIE-LAB	lab(47.32, -27.87, 45.76)
CIE-LCH	lch(47.32, 53.58, 121.34°)
OKLab	oklab(53.64% -0.08 0.1013)
OKLCH	oklch(53.64% 0.129 128.3)
XYZ	xyz(11.1889, 16.2621, 3.4689)
Luminance	0.1626 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577B19 #3D197B

analogous

#7B6E19 #577B19 #267B19

triadic

#577B19 #19577B #7B1957

tetradic

#577B19 #197B6E #3D197B #7B1926

square

#577B19 #197B6E #3D197B #7B1926

split-complementary

#577B19 #19267B #6E197B

monochromatic

#121905 #33480F #577B19 #7BAE23 #9CD738

Accessibility & contrast

On white

4.94

#577B19 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#577B19 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577B19

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577B19	#FFFFFF	#000000	##FFFFFF
##577B19	1.00	4.94	4.25	4.94
#FFFFFF	4.94	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#817201

Deuteranopia (green-blind)

#7C6F23

Tritanopia (blue-blind)

#5A7569

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #577b19;
/* rgb */ color: rgb(87, 123, 25);
/* oklch */ color: oklch(53.6% 0.129 128.3);

Tailwind

colors: {
  custom: {
    50: '#8aa15e',
    500: '#577b19',
    950: '#000000',
  },
}

SCSS

$custom: #577b19;
$custom-light: #8aa15e;
$custom-dark: #000000;

JSON

{
  "hex": "#577b19",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 25
  },
  "hsl": {
    "h": 82.041,
    "s": 66.216,
    "l": 29.02
  },
  "oklch": {
    "l": 0.53642,
    "c": 0.12903,
    "h": 128.3
  },
  "luminance": 0.16262
}

Semantic roles & 50–950 ramp

primary

#577B19

secondary

#6940AF

accent

#3FE97D

background

#F8F9F5

surface

#F0F2EA

border

#CBCCC6

text

#0C0F05

muted

#7D7E79

Preview Lab

Preview with #577B19

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

Preview Lab → · Contrast checker → · Palette generator →