#577E1B#577E1B

#577E1B is a mid, vivid yellow-green. Relative luminance 0.170; OKLCH L 54.4% C 0.132 H 129.2°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#577E1B
RGB	rgb(87, 126, 27)
HSL	hsl(84, 65%, 30%)
HSV	hsv(84, 79%, 49%)
CMYK	cmyk(31%, 0%, 78.6%, 50.6%)
CIE-LAB	lab(48.29, -29.19, 46.00)
CIE-LCH	lch(48.29, 54.48, 122.40°)
OKLab	oklab(54.44% -0.0834 0.1021)
OKLCH	oklch(54.44% 0.132 129.2)
XYZ	xyz(11.5891, 17.0267, 3.7126)
Luminance	0.1703 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577E1B #421B7E

analogous

#7E731B #577E1B #267E1B

triadic

#577E1B #1B577E #7E1B57

tetradic

#577E1B #1B7E73 #421B7E #7E1B26

square

#577E1B #1B7E73 #421B7E #7E1B26

split-complementary

#577E1B #1B267E #731B7E

monochromatic

#111905 #344C10 #577E1B #7AB026 #9AD63E

Accessibility & contrast

On white

4.77

#577E1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#577E1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577E1B

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577E1B	#FFFFFF	#000000	##FFFFFF
##577E1B	1.00	4.77	4.41	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#847404

Deuteranopia (green-blind)

#7F7225

Tritanopia (blue-blind)

#5A786B

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #577e1b;
/* rgb */ color: rgb(87, 126, 27);
/* oklch */ color: oklch(54.4% 0.132 129.2);

Tailwind

colors: {
  custom: {
    50: '#8aa360',
    500: '#577e1b',
    950: '#000000',
  },
}

SCSS

$custom: #577e1b;
$custom-light: #8aa360;
$custom-dark: #000000;

JSON

{
  "hex": "#577e1b",
  "rgb": {
    "r": 87,
    "g": 126,
    "b": 27
  },
  "hsl": {
    "h": 83.636,
    "s": 64.706,
    "l": 30
  },
  "oklch": {
    "l": 0.54441,
    "c": 0.13183,
    "h": 129.2
  },
  "luminance": 0.17027
}

Semantic roles & 50–950 ramp

primary

#577E1B

secondary

#6F43B2

accent

#40E882

background

#F8FAF5

surface

#F0F4EA

border

#CBCEC6

text

#0C0F05

muted

#7D7F79

Preview Lab

Preview with #577E1B

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

Preview Lab → · Contrast checker → · Palette generator →