#577B1C#577B1C

#577B1C is a mid, vivid yellow-green. Relative luminance 0.163; OKLCH L 53.7% C 0.127 H 128.5°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#577B1C
RGB	rgb(87, 123, 28)
HSL	hsl(83, 63%, 30%)
HSV	hsv(83, 77%, 48%)
CMYK	cmyk(29.3%, 0%, 77.2%, 51.8%)
CIE-LAB	lab(47.33, -27.69, 44.72)
CIE-LCH	lch(47.33, 52.60, 121.77°)
OKLab	oklab(53.66% -0.0792 0.0996)
OKLCH	oklch(53.66% 0.127 128.5)
XYZ	xyz(11.2230, 16.2757, 3.6486)
Luminance	0.1628 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577B1C #401C7B

analogous

#7B701C #577B1C #277B1C

triadic

#577B1C #1C577B #7B1C57

tetradic

#577B1C #1C7B70 #401C7B #7B1C27

square

#577B1C #1C7B70 #401C7B #7B1C27

split-complementary

#577B1C #1C277B #701C7B

monochromatic

#121906 #344911 #577B1C #7AAD27 #9BD33E

Accessibility & contrast

On white

4.94

#577B1C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#577B1C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577B1C

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577B1C	#FFFFFF	#000000	##FFFFFF
##577B1C	1.00	4.94	4.26	4.94
#FFFFFF	4.94	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#817208

Deuteranopia (green-blind)

#7C6F25

Tritanopia (blue-blind)

#5A7569

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #577b1c;
/* rgb */ color: rgb(87, 123, 28);
/* oklch */ color: oklch(53.7% 0.127 128.5);

Tailwind

colors: {
  custom: {
    50: '#8aa160',
    500: '#577b1c',
    950: '#000000',
  },
}

SCSS

$custom: #577b1c;
$custom-light: #8aa160;
$custom-dark: #000000;

JSON

{
  "hex": "#577b1c",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 28
  },
  "hsl": {
    "h": 82.737,
    "s": 62.914,
    "l": 29.608
  },
  "oklch": {
    "l": 0.53662,
    "c": 0.12727,
    "h": 128.5
  },
  "luminance": 0.16276
}

Semantic roles & 50–950 ramp

primary

#577B1C

secondary

#6C44AF

accent

#42E680

background

#F8F9F5

surface

#F0F2EA

border

#CBCCC6

text

#0C0F05

muted

#7D7E79

Preview Lab

Preview with #577B1C

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

Preview Lab → · Contrast checker → · Palette generator →