#577C23#577C23

#577C23 is a mid, vivid yellow-green. Relative luminance 0.166; OKLCH L 54.0% C 0.124 H 129.4°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#577C23
RGB	rgb(87, 124, 35)
HSL	hsl(85, 56%, 31%)
HSV	hsv(85, 72%, 49%)
CMYK	cmyk(29.8%, 0%, 71.8%, 51.4%)
CIE-LAB	lab(47.70, -27.71, 42.34)
CIE-LCH	lch(47.70, 50.60, 123.20°)
OKLab	oklab(53.98% -0.0787 0.0957)
OKLCH	oklch(53.98% 0.124 129.4)
XYZ	xyz(11.4415, 16.5626, 4.1839)
Luminance	0.1656 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577C23 #48237C

analogous

#7C7423 #577C23 #2A7C23

triadic

#577C23 #23577C #7C2357

tetradic

#577C23 #237C74 #48237C #7C232A

square

#577C23 #237C74 #48237C #7C232A

split-complementary

#577C23 #232A7C #74237C

monochromatic

#141D08 #364C16 #577C23 #78AC30 #97CD4D

Accessibility & contrast

On white

4.87

#577C23 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#577C23 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577C23

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577C23	#FFFFFF	#000000	##FFFFFF
##577C23	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#827315

Deuteranopia (green-blind)

#7D702B

Tritanopia (blue-blind)

#5A766A

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #577c23;
/* rgb */ color: rgb(87, 124, 35);
/* oklch */ color: oklch(54.0% 0.124 129.4);

Tailwind

colors: {
  custom: {
    50: '#8aa264',
    500: '#577c23',
    950: '#000000',
  },
}

SCSS

$custom: #577c23;
$custom-light: #8aa264;
$custom-dark: #000000;

JSON

{
  "hex": "#577c23",
  "rgb": {
    "r": 87,
    "g": 124,
    "b": 35
  },
  "hsl": {
    "h": 84.944,
    "s": 55.975,
    "l": 31.176
  },
  "oklch": {
    "l": 0.53978,
    "c": 0.12392,
    "h": 129.4
  },
  "luminance": 0.16563
}

Semantic roles & 50–950 ramp

primary

#577C23

secondary

#754CAF

accent

#49DF87

background

#F8FAF6

surface

#F0F3EB

border

#CBCDC6

text

#0C0F06

muted

#7D7F7A

Preview Lab

Preview with #577C23

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

Preview Lab → · Contrast checker → · Palette generator →