#558B1B#558B1B

#558B1B is a mid, vivid yellow-green. Relative luminance 0.205; OKLCH L 57.7% C 0.150 H 132.7°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#558B1B
RGB	rgb(85, 139, 27)
HSL	hsl(89, 67%, 33%)
HSV	hsv(89, 81%, 55%)
CMYK	cmyk(38.8%, 0%, 80.6%, 45.5%)
CIE-LAB	lab(52.37, -35.92, 49.80)
CIE-LCH	lch(52.37, 61.40, 125.80°)
OKLab	oklab(57.74% -0.1015 0.1101)
OKLCH	oklch(57.74% 0.15 132.7)
XYZ	xyz(13.1766, 20.4751, 4.2945)
Luminance	0.2048 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558B1B #511B8B

analogous

#8B891B #558B1B #1D8B1B

triadic

#558B1B #1B558B #8B1B55

tetradic

#558B1B #1B8B89 #511B8B #8B1B1D

square

#558B1B #1B8B89 #511B8B #8B1B1D

split-complementary

#558B1B #1B1D8B #891B8B

monochromatic

#162507 #365811 #558B1B #74BE25 #93DB45

Accessibility & contrast

On white

4.12

#558B1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#558B1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558B1B

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558B1B	#FFFFFF	#000000	##000000
##558B1B	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#918000

Deuteranopia (green-blind)

#8A7B27

Tritanopia (blue-blind)

#568576

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #558b1b;
/* rgb */ color: rgb(85, 139, 27);
/* oklch */ color: oklch(57.7% 0.150 132.7);

Tailwind

colors: {
  custom: {
    50: '#8aad62',
    500: '#558b1b',
    950: '#000000',
  },
}

SCSS

$custom: #558b1b;
$custom-light: #8aad62;
$custom-dark: #000000;

JSON

{
  "hex": "#558b1b",
  "rgb": {
    "r": 85,
    "g": 139,
    "b": 27
  },
  "hsl": {
    "h": 88.929,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.57737,
    "c": 0.14974,
    "h": 132.7
  },
  "luminance": 0.20476
}

Semantic roles & 50–950 ramp

primary

#558B1B

secondary

#7F45BC

accent

#3DEA91

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1005

muted

#7D7F7A

Preview Lab

Preview with #558B1B

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

Preview Lab → · Contrast checker → · Palette generator →