#577B1A#577B1A

#577B1A is a mid, vivid yellow-green. Relative luminance 0.163; OKLCH L 53.6% C 0.128 H 128.4°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#577B1A
RGB	rgb(87, 123, 26)
HSL	hsl(82, 65%, 29%)
HSV	hsv(82, 79%, 48%)
CMYK	cmyk(29.3%, 0%, 78.9%, 51.8%)
CIE-LAB	lab(47.32, -27.81, 45.42)
CIE-LCH	lch(47.32, 53.26, 121.48°)
OKLab	oklab(53.65% -0.0797 0.1007)
OKLCH	oklch(53.65% 0.128 128.4)
XYZ	xyz(11.1999, 16.2665, 3.5267)
Luminance	0.1627 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577B1A #3E1A7B

analogous

#7B6F1A #577B1A #277B1A

triadic

#577B1A #1A577B #7B1A57

tetradic

#577B1A #1A7B6F #3E1A7B #7B1A27

square

#577B1A #1A7B6F #3E1A7B #7B1A27

split-complementary

#577B1A #1A277B #6F1A7B

monochromatic

#121905 #33480F #577B1A #7BAE25 #9CD53A

Accessibility & contrast

On white

4.94

#577B1A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#577B1A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577B1A

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577B1A	#FFFFFF	#000000	##FFFFFF
##577B1A	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)

#817203

Deuteranopia (green-blind)

#7C6F24

Tritanopia (blue-blind)

#5A7569

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #577b1a;
/* rgb */ color: rgb(87, 123, 26);
/* oklch */ color: oklch(53.6% 0.128 128.4);

Tailwind

colors: {
  custom: {
    50: '#8aa15f',
    500: '#577b1a',
    950: '#000000',
  },
}

SCSS

$custom: #577b1a;
$custom-light: #8aa15f;
$custom-dark: #000000;

JSON

{
  "hex": "#577b1a",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 26
  },
  "hsl": {
    "h": 82.268,
    "s": 65.101,
    "l": 29.216
  },
  "oklch": {
    "l": 0.53649,
    "c": 0.12846,
    "h": 128.4
  },
  "luminance": 0.16267
}

Semantic roles & 50–950 ramp

primary

#577B1A

secondary

#6A42AF

accent

#40E87E

background

#F8F9F5

surface

#F0F2EA

border

#CBCCC6

text

#0C0F05

muted

#7D7E79

Preview Lab

Preview with #577B1A

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

Preview Lab → · Contrast checker → · Palette generator →