#558E1B#558E1B

#558E1B is a mid, vivid yellow-green. Relative luminance 0.214; OKLCH L 58.5% C 0.154 H 133.2°. Best body text is #000000 at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#558E1B
RGB	rgb(85, 142, 27)
HSL	hsl(90, 68%, 33%)
HSV	hsv(90, 81%, 56%)
CMYK	cmyk(40.1%, 0%, 81%, 44.3%)
CIE-LAB	lab(53.34, -37.24, 50.70)
CIE-LCH	lch(53.34, 62.91, 126.30°)
OKLab	oklab(58.53% -0.105 0.112)
OKLCH	oklch(58.53% 0.154 133.2)
XYZ	xyz(13.6169, 21.3558, 4.4413)
Luminance	0.2136 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558E1B #541B8E

analogous

#8E8D1B #558E1B #1C8E1B

triadic

#558E1B #1B558E #8E1B55

tetradic

#558E1B #1B8E8D #541B8E #8E1B1C

square

#558E1B #1B8E8D #541B8E #8E1B1C

split-complementary

#558E1B #1B1C8E #8D1B8E

monochromatic

#172707 #365B11 #558E1B #74C125 #92DC47

Accessibility & contrast

On white

3.98

#558E1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.27

#558E1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558E1B

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558E1B	#FFFFFF	#000000	##000000
##558E1B	1.00	3.98	5.27	5.27
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.27	21.00	1.00	1.00
##000000	5.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#948200

Deuteranopia (green-blind)

#8C7E28

Tritanopia (blue-blind)

#558879

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #558e1b;
/* rgb */ color: rgb(85, 142, 27);
/* oklch */ color: oklch(58.5% 0.154 133.2);

Tailwind

colors: {
  custom: {
    50: '#8aaf62',
    500: '#558e1b',
    950: '#000000',
  },
}

SCSS

$custom: #558e1b;
$custom-light: #8aaf62;
$custom-dark: #000000;

JSON

{
  "hex": "#558e1b",
  "rgb": {
    "r": 85,
    "g": 142,
    "b": 27
  },
  "hsl": {
    "h": 89.739,
    "s": 68.047,
    "l": 33.137
  },
  "oklch": {
    "l": 0.58528,
    "c": 0.15354,
    "h": 133.2
  },
  "luminance": 0.21356
}

Semantic roles & 50–950 ramp

primary

#558E1B

secondary

#8247BE

accent

#3DEB93

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1006

muted

#7D7F7A

Preview Lab

Preview with #558E1B

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

Preview Lab → · Contrast checker → · Palette generator →