#578E1B#578E1B

#578E1B is a mid, vivid yellow-green. Relative luminance 0.215; OKLCH L 58.6% C 0.152 H 132.6°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#578E1B
RGB	rgb(87, 142, 27)
HSL	hsl(89, 68%, 33%)
HSV	hsv(89, 81%, 56%)
CMYK	cmyk(38.7%, 0%, 81%, 44.3%)
CIE-LAB	lab(53.44, -36.51, 50.83)
CIE-LCH	lch(53.44, 62.58, 125.68°)
OKLab	oklab(58.64% -0.1032 0.1123)
OKLCH	oklch(58.64% 0.152 132.6)
XYZ	xyz(13.8011, 21.4507, 4.4499)
Luminance	0.2145 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578E1B #521B8E

analogous

#8E8B1B #578E1B #1D8E1B

triadic

#578E1B #1B578E #8E1B57

tetradic

#578E1B #1B8E8B #521B8E #8E1B1D

square

#578E1B #1B8E8B #521B8E #8E1B1D

split-complementary

#578E1B #1B1D8E #8B1B8E

monochromatic

#182707 #375B11 #578E1B #77C125 #95DC47

Accessibility & contrast

On white

3.97

#578E1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#578E1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578E1B

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578E1B	#FFFFFF	#000000	##000000
##578E1B	1.00	3.97	5.29	5.29
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.29	21.00	1.00	1.00
##000000	5.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#948200

Deuteranopia (green-blind)

#8D7E28

Tritanopia (blue-blind)

#588879

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #578e1b;
/* rgb */ color: rgb(87, 142, 27);
/* oklch */ color: oklch(58.6% 0.152 132.6);

Tailwind

colors: {
  custom: {
    50: '#8caf62',
    500: '#578e1b',
    950: '#000000',
  },
}

SCSS

$custom: #578e1b;
$custom-light: #8caf62;
$custom-dark: #000000;

JSON

{
  "hex": "#578e1b",
  "rgb": {
    "r": 87,
    "g": 142,
    "b": 27
  },
  "hsl": {
    "h": 88.696,
    "s": 68.047,
    "l": 33.137
  },
  "oklch": {
    "l": 0.58639,
    "c": 0.15246,
    "h": 132.6
  },
  "luminance": 0.21451
}

Semantic roles & 50–950 ramp

primary

#578E1B

secondary

#8047BE

accent

#3DEB90

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1006

muted

#7D7F7A

Preview Lab

Preview with #578E1B

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

Preview Lab → · Contrast checker → · Palette generator →