#578B23#578B23

#578B23 is a mid, vivid yellow-green. Relative luminance 0.206; OKLCH L 57.9% C 0.144 H 132.7°. Best body text is #000000 at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#578B23
RGB	rgb(87, 139, 35)
HSL	hsl(90, 60%, 34%)
HSV	hsv(90, 75%, 55%)
CMYK	cmyk(37.4%, 0%, 74.8%, 45.5%)
CIE-LAB	lab(52.52, -34.70, 47.20)
CIE-LCH	lch(52.52, 58.58, 126.32°)
OKLab	oklab(57.9% -0.0977 0.1059)
OKLCH	oklch(57.9% 0.144 132.7)
XYZ	xyz(13.4663, 20.6122, 4.8588)
Luminance	0.2061 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578B23 #57238B

analogous

#8B8B23 #578B23 #238B23

triadic

#578B23 #23578B #8B2357

tetradic

#578B23 #238B8B #57238B #8B2323

square

#578B23 #238B8B #57238B #8B2323

split-complementary

#578B23 #23238B #8B238B

monochromatic

#1A290A #385A17 #578B23 #76BC2F #94D454

Accessibility & contrast

On white

4.10

#578B23 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.12

#578B23 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578B23

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578B23	#FFFFFF	#000000	##000000
##578B23	1.00	4.10	5.12	5.12
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.12	21.00	1.00	1.00
##000000	5.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91800F

Deuteranopia (green-blind)

#8A7C2D

Tritanopia (blue-blind)

#588577

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #578b23;
/* rgb */ color: rgb(87, 139, 35);
/* oklch */ color: oklch(57.9% 0.144 132.7);

Tailwind

colors: {
  custom: {
    50: '#8bad65',
    500: '#578b23',
    950: '#000000',
  },
}

SCSS

$custom: #578b23;
$custom-light: #8bad65;
$custom-dark: #000000;

JSON

{
  "hex": "#578b23",
  "rgb": {
    "r": 87,
    "g": 139,
    "b": 35
  },
  "hsl": {
    "h": 90,
    "s": 59.77,
    "l": 34.118
  },
  "oklch": {
    "l": 0.57905,
    "c": 0.14409,
    "h": 132.7
  },
  "luminance": 0.20613
}

Semantic roles & 50–950 ramp

primary

#578B23

secondary

#8552B8

accent

#45E394

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1006

muted

#7D7F7A

Preview Lab

Preview with #578B23

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

Preview Lab → · Contrast checker → · Palette generator →