#577818#577818

#577818 is a mid, vivid yellow-green. Relative luminance 0.155; OKLCH L 52.9% C 0.126 H 127.3°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#577818
RGB	rgb(87, 120, 24)
HSL	hsl(81, 67%, 28%)
HSV	hsv(81, 80%, 47%)
CMYK	cmyk(27.5%, 0%, 80%, 52.9%)
CIE-LAB	lab(46.34, -26.46, 45.19)
CIE-LCH	lch(46.34, 52.37, 120.35°)
OKLab	oklab(52.85% -0.0762 0.0999)
OKLCH	oklch(52.85% 0.126 127.3)
XYZ	xyz(10.8119, 15.5249, 3.2910)
Luminance	0.1552 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577818 #391878

analogous

#786918 #577818 #277818

triadic

#577818 #185778 #781857

tetradic

#577818 #187869 #391878 #781827

square

#577818 #187869 #391878 #781827

split-complementary

#577818 #182778 #691878

monochromatic

#121A05 #32450E #577818 #7CAB22 #9FD634

Accessibility & contrast

On white

5.12

#577818 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#577818 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577818

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577818	#FFFFFF	#000000	##FFFFFF
##577818	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E6F01

Deuteranopia (green-blind)

#7A6D22

Tritanopia (blue-blind)

#5B7266

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #577818;
/* rgb */ color: rgb(87, 120, 24);
/* oklch */ color: oklch(52.9% 0.126 127.3);

Tailwind

colors: {
  custom: {
    50: '#8a9f5e',
    500: '#577818',
    950: '#000000',
  },
}

SCSS

$custom: #577818;
$custom-light: #8a9f5e;
$custom-dark: #000000;

JSON

{
  "hex": "#577818",
  "rgb": {
    "r": 87,
    "g": 120,
    "b": 24
  },
  "hsl": {
    "h": 80.625,
    "s": 66.667,
    "l": 28.235
  },
  "oklch": {
    "l": 0.52851,
    "c": 0.12565,
    "h": 127.3
  },
  "luminance": 0.15525
}

Semantic roles & 50–950 ramp

primary

#577818

secondary

#653FAD

accent

#3EEA79

background

#F8F9F5

surface

#F0F2E9

border

#CBCCC5

text

#0C0E05

muted

#7D7E79

Preview Lab

Preview with #577818

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

Preview Lab → · Contrast checker → · Palette generator →