#577C18#577C18

#577C18 is a mid, vivid yellow-green. Relative luminance 0.165; OKLCH L 53.9% C 0.131 H 128.5°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#577C18
RGB	rgb(87, 124, 24)
HSL	hsl(82, 68%, 29%)
HSV	hsv(82, 81%, 49%)
CMYK	cmyk(29.8%, 0%, 80.6%, 51.4%)
CIE-LAB	lab(47.63, -28.40, 46.40)
CIE-LCH	lch(47.63, 54.40, 121.47°)
OKLab	oklab(53.9% -0.0815 0.1024)
OKLCH	oklch(53.9% 0.131 128.5)
XYZ	xyz(11.3030, 16.5072, 3.4547)
Luminance	0.1651 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577C18 #3D187C

analogous

#7C6F18 #577C18 #257C18

triadic

#577C18 #18577C #7C1857

tetradic

#577C18 #187C6F #3D187C #7C1825

square

#577C18 #187C6F #3D187C #7C1825

split-complementary

#577C18 #18257C #6F187C

monochromatic

#121A05 #33490E #577C18 #7BAF22 #9CD836

Accessibility & contrast

On white

4.88

#577C18 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#577C18 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577C18

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577C18	#FFFFFF	#000000	##FFFFFF
##577C18	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)

#827300

Deuteranopia (green-blind)

#7D7022

Tritanopia (blue-blind)

#5A7669

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #577c18;
/* rgb */ color: rgb(87, 124, 24);
/* oklch */ color: oklch(53.9% 0.131 128.5);

Tailwind

colors: {
  custom: {
    50: '#8aa25e',
    500: '#577c18',
    950: '#000000',
  },
}

SCSS

$custom: #577c18;
$custom-light: #8aa25e;
$custom-dark: #000000;

JSON

{
  "hex": "#577c18",
  "rgb": {
    "r": 87,
    "g": 124,
    "b": 24
  },
  "hsl": {
    "h": 82.2,
    "s": 67.568,
    "l": 29.02
  },
  "oklch": {
    "l": 0.53898,
    "c": 0.13089,
    "h": 128.5
  },
  "luminance": 0.16507
}

Semantic roles & 50–950 ramp

primary

#577C18

secondary

#693FB1

accent

#3DEA7D

background

#F8FAF5

surface

#F0F3E9

border

#CBCDC5

text

#0C0F05

muted

#7D7F79

Preview Lab

Preview with #577C18

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

Preview Lab → · Contrast checker → · Palette generator →