#577C1B#577C1B

#577C1B is a mid, vivid yellow-green. Relative luminance 0.165; OKLCH L 53.9% C 0.129 H 128.7°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#577C1B
RGB	rgb(87, 124, 27)
HSL	hsl(83, 64%, 30%)
HSV	hsv(83, 78%, 49%)
CMYK	cmyk(29.8%, 0%, 78.2%, 51.4%)
CIE-LAB	lab(47.65, -28.24, 45.38)
CIE-LCH	lch(47.65, 53.45, 121.89°)
OKLab	oklab(53.92% -0.0808 0.1008)
OKLCH	oklch(53.92% 0.129 128.7)
XYZ	xyz(11.3359, 16.5204, 3.6282)
Luminance	0.1652 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577C1B #401B7C

analogous

#7C711B #577C1B #267C1B

triadic

#577C1B #1B577C #7C1B57

tetradic

#577C1B #1B7C71 #401B7C #7C1B26

square

#577C1B #1B7C71 #401B7C #7C1B26

split-complementary

#577C1B #1B267C #711B7C

monochromatic

#121905 #344A10 #577C1B #7AAE26 #9BD53D

Accessibility & contrast

On white

4.88

#577C1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#577C1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577C1B

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577C1B	#FFFFFF	#000000	##FFFFFF
##577C1B	1.00	4.88	4.30	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#827305

Deuteranopia (green-blind)

#7D7025

Tritanopia (blue-blind)

#5A766A

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #577c1b;
/* rgb */ color: rgb(87, 124, 27);
/* oklch */ color: oklch(53.9% 0.129 128.7);

Tailwind

colors: {
  custom: {
    50: '#8aa25f',
    500: '#577c1b',
    950: '#000000',
  },
}

SCSS

$custom: #577c1b;
$custom-light: #8aa25f;
$custom-dark: #000000;

JSON

{
  "hex": "#577c1b",
  "rgb": {
    "r": 87,
    "g": 124,
    "b": 27
  },
  "hsl": {
    "h": 82.887,
    "s": 64.238,
    "l": 29.608
  },
  "oklch": {
    "l": 0.53917,
    "c": 0.12919,
    "h": 128.7
  },
  "luminance": 0.16521
}

Semantic roles & 50–950 ramp

primary

#577C1B

secondary

#6C43B0

accent

#41E780

background

#F8FAF5

surface

#F0F3EA

border

#CBCDC6

text

#0C0F05

muted

#7D7F79

Preview Lab

Preview with #577C1B

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

Preview Lab → · Contrast checker → · Palette generator →