#577D18#577D18

#577D18 is a mid, vivid yellow-green. Relative luminance 0.168; OKLCH L 54.2% C 0.132 H 128.8°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#577D18
RGB	rgb(87, 125, 24)
HSL	hsl(83, 68%, 29%)
HSV	hsv(83, 81%, 49%)
CMYK	cmyk(30.4%, 0%, 80.8%, 51%)
CIE-LAB	lab(47.96, -28.88, 46.70)
CIE-LCH	lch(47.96, 54.90, 121.73°)
OKLab	oklab(54.16% -0.0828 0.1031)
OKLCH	oklch(54.16% 0.132 128.8)
XYZ	xyz(11.4290, 16.7591, 3.4967)
Luminance	0.1676 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577D18 #3E187D

analogous

#7D7118 #577D18 #257D18

triadic

#577D18 #18577D #7D1857

tetradic

#577D18 #187D71 #3E187D #7D1825

square

#577D18 #187D71 #3E187D #7D1825

split-complementary

#577D18 #18257D #71187D

monochromatic

#121A05 #334A0E #577D18 #7BB022 #9CD937

Accessibility & contrast

On white

4.83

#577D18 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#577D18 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577D18

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577D18	#FFFFFF	#000000	##FFFFFF
##577D18	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#837400

Deuteranopia (green-blind)

#7E7123

Tritanopia (blue-blind)

#5A776A

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #577d18;
/* rgb */ color: rgb(87, 125, 24);
/* oklch */ color: oklch(54.2% 0.132 128.8);

Tailwind

colors: {
  custom: {
    50: '#8aa35e',
    500: '#577d18',
    950: '#000000',
  },
}

SCSS

$custom: #577d18;
$custom-light: #8aa35e;
$custom-dark: #000000;

JSON

{
  "hex": "#577d18",
  "rgb": {
    "r": 87,
    "g": 125,
    "b": 24
  },
  "hsl": {
    "h": 82.574,
    "s": 67.785,
    "l": 29.216
  },
  "oklch": {
    "l": 0.5416,
    "c": 0.13219,
    "h": 128.8
  },
  "luminance": 0.16759
}

Semantic roles & 50–950 ramp

primary

#577D18

secondary

#6A3FB2

accent

#3DEB7E

background

#F8FAF5

surface

#F0F3E9

border

#CBCDC5

text

#0C0F05

muted

#7D7F79

Preview Lab

Preview with #577D18

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

Preview Lab → · Contrast checker → · Palette generator →